Space News & Blog Articles

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The Galactic Center Isn't Spitting Out Stars. What Does This Mean?

We know black hole mergers occur because we can detect the resulting gravitational waves. But when trying to piece together the history of black holes mergers in the Milky Way, astronomers need another tactic. They need to perform some forensic astronomy.

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A Statistical Analysis of Exoplanet Habitability Turns Up One Great Candidate - And Significant Observational Bias

The search for life beyond our planet continues, and one of the most underappreciated tools in an astrobiologists toolkit is statistics. While it might not be as glamorous as directly imaging a planet’s atmosphere or finding a system with seven planets in it, statistics is absolutely critical if we want to be sure that what we’re seeing is real and not just an artifact of the data, or of our observational techniques themselves. A new paper by Caleb Traxler and their co-authors at the Department of Information and Computer Science at UC Irvine takes on that challenge head-on by statistically analyzing a set of about 10% of the total number of exoplanets found and judging their habitability.

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Growing Building on Mars with Lichen and Bacteria

For generations, scientists and science fiction writers have contemplated how humans could someday live on Mars. While the idea once seemed like a far-off possibility, the many robotic missions that have travelled to Mars and successfully landed on its surface have given new life to the idea. This presents many challenges, which include the time it takes to reach Mars (6 to 9 months using conventional propulsion) and the dangers of long-term exposure to cosmic radiation and microgravity. But building long-term habitats and facilities on the Martian surface is also challenging.

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Webb Directly Images A Saturn-Sized Star In A Nearby System

One of Webb’s strong points is its ability to directly image planets around another solar system. The telescope has been in operation for long enough now that a flood of those images are starting, as more and more systems come under the telescope’s gaze. One of those is described in a recent paper and press release from NASA. According to the paper, the planet in a nearby system is about the size of Saturn, which would make it the smallest planet ever found by direct observation.

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A fast radio burst detected last year turned out to be from long-dead NASA satellite

Fast Radio Bursts (FRBs) have remained a mystery to astronomers even since the first was detected in 2007 (known as the Lorimer Burst). These quick bursts typically last for mere nanoseconds, though some have been found to last up to 3 seconds, and their precise cause remains unknown. In recent years, scientists have traced a few FRBs back to their source and have determined that they came from neutron stars. This has led to the theory that FRBs are caused by compact objects, though this has yet to be proven.

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Schweickart Prize Goes to a Plan for Managing Asteroid Mining Risks

The $10,000 Schweickart Prize is awarded every June to mark Asteroid Day and draw attention to risks from above — and this year's prize is going to a team of students who are proposing a panel to focus on what could happen when we start tinkering with asteroids.

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A Framework To Ensure Lunar Resources Are Available To All

Space exploration enthusiasts tend to overlook the regulatory aspects of their desired goals. They focus on technologies and the science we can do with them rather than mundane things like property rights or environmental considerations. However, in the long run, those enthusiasts will have to grapple with all aspects of exploration programs as they begin to affect more and more of the public. With such foresight, various groups have started putting forward ideas for frameworks of how to holistically think about how to utilize the Moon, as that seems the most likely first stepping stone out to the wider solar system. A new paper from Ekaterina Seltikova and her colleagues at the Space Generation Advisory Council (SGAC) and the University of Toronto puts forth one such framework, with a particular focus on how to develop a lunar economy that is open for everyone.

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How Solar Flares Can Change the Weather on Exoplanets

When astronomers search for potentially habitable planets beyond our Solar System, they typically focus on whether these worlds orbit at the right distance from their stars to maintain liquid water. But new research reveals that violent flares and eruptions from host stars may be equally important in determining whether these distant worlds could support life.

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Antarctica is the Perfect Place to Study Snowball Earth

Scientists studying tiny life forms in Antarctica's ice covered ponds have discovered compelling evidence that similar environments could have sheltered complex life during one of Earth's most extreme periods, the so called "Snowball Earth" era.

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A Mission To Collect A Sample From Apophis

The coming of asteroid (99942) Apophis in April 2029 has sparked plenty of discussion both inside and outside the astronomical community. Despite original fears that it would pose a threat, Apophis will safely pass around 32,000 km away from Earth - though admittedly that is still closer than some geostationary communications satellites. That close approach offers a unique opportunity for those interested in asteroid science to take an up-close look at one of these relics of the early solar system, and various groups are planning to do just that. A new paper from Victor Hernandez Megia and his colleagues at the German Aerospace Center (DLR) suggests a new mission that could provide even further insight into the interior of Apophis - by returning part of it to Earth.

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Webb Should Be Able to Detect Exo-Jupiters and Exo-Saturns

Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they block their star's light and by the way they make their stars wobble, and from that they can infer a lot. But that's not the same as seeing them.

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Ceramics Will Be Critical To the Lunar Economy - But We Don't Know How To Make Them There Yet

Building on the Moon is a challenge we have yet to fully grasp. Plenty of projects have grandiose plans from using blood sweat and tears to create bricks out of regolith to building towers to wirelessly transmit power between isolated locations. However, these projects all but ignore one of the most important types of material we use commonly here on Earth - ceramics. A new paper from Dr. Alex Ellery, an Engineering professor at Carleton University in Ottawa, discusses why ceramics are so critical to the development of the lunar economy, and points to further developments in materials science that must be completed in order to manufacture and utilize them on the surface of the Moon.

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NASA’s LRO Views ispace HAKUTO-R Mission 2 Moon Lander Impact Site

On January 15th, 2025, the Japanese commercial space company ispace launched its HAKUTO-R Mission 2 Resilience to the Moon. On June 5th, 2025, the lander crashed down on the lunar surface due to a malfunction with its Laser Range Finder (LRF). Six days later, NASA's Lunar Reconnaissance Orbiter (LRO) captured photos of the site where RESILIENCE experienced a hard landing.

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Camera Systems as Scientific Instruments in Artemis III EVAs

What imaging systems can NASA’s Artemis astronauts use on the Moon to conduct groundbreaking science and efficient documentation on the lunar surface? This is what a recent study presented at the 56th Lunar and Planetary Science Conference (LPSC) aspired to address as a team of researchers from the University of Texas at El Paso and Johns Hopkins University Applied Physics Laboratory investigated using next-generation cameras on the Artemis III mission, which is slated to be the first lunar surface mission of the Artemis program.

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First Amazing Solar Views from NASA’s CODEX Imager Released

A new solar observing telescope on the exterior of the International Space Station is open for business. NASA recently released images from the newly commissioned Coronal Diagnostic Experiment (CODEX) mounted on the station.

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Mercury - The Tiny Planet That's Been Baffling Scientists Everywhere

Mercury is definitely the troublemaker of our Solar System. The smallest planet orbiting our Sun is also one of the most perplexing, with characteristics so unusual that scientists are still scratching their heads about how it came to be. But new laboratory experiments are finally starting to unravel Mercury's mysteries and what they're revealing could reshape our understanding of rocky planets everywhere.

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New Theory Explains Why So Many Exoplanets Crowd Close to Their Stars

A first stage in understanding a natural phenomenon is to divide it into steps and give things labels. That gives us a way to talk about the phenomenon. But in nature, there are seldom clear divisions between processes. The entire Universe is a long-running series of intertwined causes and effects set in motion by the Big Bang.

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The Milky Way is More Clumpy than Astronomers Thought

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars. In the process, they've also discovered that our galaxy's structure is more complex than everyone thought, complete with tufty-looking "flocculent" gas clouds.

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Pulsars Could Have Tiny Mountains

Imagine a star so dense that a teaspoon of its material would weigh as much as Mount Everest, spinning hundreds of times per second while beaming radio waves across the universe. These are pulsars, the collapsed cores of massive stars. Some pulsars are breaking the rules of physics as we understand them, and the answer might lie in something as simple as tiny mountains on their surfaces.

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Why Rocky Planets Form Early: ALMA Survey Shows Planet-Forming Disks Lose Gas Faster Than Dust

When a young star forms, a ring of gas and dust called a protoplanetary disk forms around it. Together, the star and the disk are a young solar system, and peering into solar systems much younger than ours reveals clues about how planets form in protoplanetary disks. Our most powerful tool for examining these young systems is ALMA, the Atacama Large Millimeter/submillimeter Array.

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We're Finally Seeing the Sun's Mixed Up Magnetism at its Poles

In June 2020, the ESA's Solar Orbiter (SolO) mission launched and became the closest mission ever to orbit the Sun and take images of its surface. In March 2025, the mission made history by becoming the first probe to acquire images of the Sun's polar regions. Until now, all missions have taken images of the Sun's equatorial region because it corresponded to their orbits around the ecliptic plane. But thanks to the Solar Orbiter spacecraft's tilted orbit, it was able to observe the Sun from a whole new perspective.

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