Astronomers are very interested in the Habitable Zone of distant stars, which is the orbital radius where liquid water, and therefore potentially life, can exist on a planet in that region. But life itself changes the characteristics of a planet. New research suggestions that life is even capable of redefining what the Habitable Zone can mean.
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UFO Update Says Pentagon’s Case Count Is Rising Rapidly
A new report to Congress says the Pentagon’s task force on UFOs — now known as unidentified aerial phenomena, or UAPs — has processed more reports in the past couple of years than it did in the previous 17 years. But that doesn’t mean we’re in the midst an alien invasion.
NASA Satellites can Pinpoint the Exact Locations of Excessive CO2 Emissions
In 2013, the National Oceanic and Atmospheric Administration (NOAA) reported that atmospheric concentrations of carbon dioxide (CO2) had reached four-hundred parts per million (ppm) for the first time since the Pliocene Era (ca. three million years ago). According to the IPCC’s Sixth Assessment Report (AR6), “excess carbon dioxide” in our atmosphere will result in a global average temperature increase of between 1.5 and 2 °C (2.7 and 3.6 °F) by 2030. This will significantly affect ecological systems worldwide, including species extinction, droughts, wildfires, extreme weather, and crop failures.
One Day There Could be a Pipeline of Oxygen Flowing From the Moon’s South Pole
The Artemis program intends to put humans on the Moon for the first time since NASA’s Apollo missions. But Artemis has a larger scope than just landing people there, setting up some science experiments, gathering Moon rocks, playing a little golf, then leaving. The intent is to establish a consistent presence.
Astronomers Used a Fast Radio Burst to Probe the Structure of the Milky Way
In the past decade and a half, hundreds of Fast Radio Bursts (FRBs) have been detected by astronomers. These transient energetic bursts occur suddenly, typically last for just a few milliseconds, and are rarely seen again (except in the rare case of repeating bursts). While astronomers are still not entirely sure what causes this phenomenon, FRBs have become a tool for astronomers hoping to map out the cosmos. Based on the way radio emissions are dispersed as they travel through space, astronomers can measure the structure and distribution of matter in and around galaxies.
2022 was 5th-hottest year on record despite cooling La Nina conditions
2022 was among Earth's 10 warmest years on record despite cooling La Niña conditions, and rising greenhouse gas concentrations hint that the worst is yet to come.
U.S. military payloads mated to SpaceX Falcon Heavy rocket for weekend launch
Falcon Heavy’s 27 Merlin engines. Credit: SpaceX
Two U.S. military satellites set to ride SpaceX’s Falcon Heavy rocket into geosynchronous orbit more than 22,000 miles above Earth were mated with their launch vehicle Friday at Kennedy Space Center ahead of a scheduled liftoff Saturday just after sunset.
Tim Dodd, the 'Everyday Astronaut,' gets down to Earth about SpaceX moon trip
Space.com caught up with Tim Dodd in an exclusive interview to discuss his 'Everyday Astronaut' status and how he's preparing himself for his citizen voyage to the moon and back.
TESS has Found A Second Earth-Sized World in This System. Exoplanet Science is Maturing
For planet-hunters, finding an Earth-sized exoplanet must be special. NASA estimates there are about 100 billion planets in the Milky Way, but the large majority of the 5,000+ exoplanets we’ve found are extremely inhospitable. So finding one that’s similar to ours is kind of comforting.
Darth Vader stars in new 'Black, White & Red' anthology in April
Relive Vader's biggest battles in Marvel Comics' "Star Wars: Darth Vader - Black, White & Red" anthology coming in April 2023.
Hungry black hole is transforming star into a stellar taffy and a cosmic donut
A distant black hole has a real sweet tooth, stretching a star that ventured too close to it into a stellar taffy and a doughnut the size of the solar system before devouring it.
These are the most detailed images of the moon ever taken on Earth
The final project, which will be 1,000 times more powerful, will be used to help spot potentially hazardous objects flying toward Earth.
Astronomers Spot A Tiny Binary System
A tiny binary system is not only small but also ancient, billions of years older than other such systems, which raises questions about its origins.
As sun's most active regions turn toward Earth, potential for violent solar activity builds
As solar activity ramps up, two giant active regions of the sun are moving to face Earth, bringing with them an increased possibility of violent space weather.
The Matrix Resurrections would make an amazing video game
We're starting to believe that The Matrix Resurrections could be turned into an outstanding video game, and here's why.
China launches new commercial communications satellite to orbit
A Long March 2C rocket lifted off from the Xichang Satellite Launch Center on Thursday (Jan. 12), carrying the APStar 6E satellite to orbit.
Northrop Grumman heralds converted adapter rings as rideshare solution for military payloads
Artist’s concept of a Long Duration Propulsive ESPA spacecraft, based on Northrop Grumman’s ESPAStar satellite bus. Credit: Northrop Grumman
Northrop Grumman and the U.S. Space Force say converted launch vehicle payload adapter rings, upgraded with power and propulsion to create full-fledged satellites, are proving effective in more rapidly delivering military instruments and sensors to orbit. Another such mission is set to launch on a SpaceX Falcon Heavy rocket Saturday.
Mars rover Perseverance spots Ingenuity helicopter resting on sand dune (photo)
NASA's Perseverance Mars rover snapped a photo recently of its robotic cousin Ingenuity as the tiny helicopter rested on a Red Planet sand dune.
Lego Star Wars UCS Republic Gunship review
The first prequel-era Ultimate Collector Series set in over a decade is a fine addition to Lego Star Wars’ premium range of adult-targeted models.
Mars meteorite with organic molecules holds clues to chances of ancient life
Scientists have discovered a wealth of organic compounds within a Martian meteorite, which could help researchers discover if Mars could have hosted life.
