Astronomers discovered a cloud of hydrogen gas that’s devoid of stars. Held together by an invisible halo of dark matter, the starless cloud may elucidate its nature.
The Vera Rubin Observatory has found 19 new "superfast rotator" asteroids, including the fastest-spinning big space rock ever found.
It looks like NASA's Mars Sample Return (MSR) mission has come to a bureaucratic end. The mission was to be the crowning achievement in the study of Mars and all the questions surrounding its ancient habitability. But the US Congress has drastically cut the mission's funding.
Auroras may be visible from Alaska to New York as incoming coronal mass ejections and high-speed solar winds could trigger geomagnetic storms tonight.
Gerard Butler and Morena Baccarin return in an epic sci-fi survival sequel to 2020's surprise hit, "Greenland".
"We're going to do it in three years, and we're going to do it for a ridiculously low price."
Watch your favorite series just as you would at home with a huge 70% discount on the best VPN service overall.
Solar system comets are often at their brightest as they draw close to the sun
Observers across America may witness a special transit and shadow event of Jupiter’s moon on opposition day.
Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.
Video: 01:30:00
Josef Aschbacher, Director General of the European Space Agency, briefed journalists on the main milestones for 2026, such as the launch of Smile, a mission that will give humankind its first complete look at how Earth reacts to streams of particles and bursts of radiation from the Sun. Later in 2026 should also see the arrival of BepiColombo at Mercury after its eight-year trip, where it will gather data to answer many perplexing questions about the least-explored planet of the inner Solar System. Many more exciting missions are expected, with ESA astronaut Sophie Adenot launching for the International Space Station, and various Earth Observation and Navigation launches from Europe’s Spaceport in French Guiana.
"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a star."
Video: 00:06:21
As a new year begins, let’s take a look at what’s ahead for the European Space Agency in 2026. From Earth to the farthest reaches of the Solar System, 2026 marks a year of firsts that continue to shape the future of space.
The European Space Agency (ESA) and Playmobil are expanding their successful partnership with a brand-new collection of space-themed toys, bringing a distinctly European vision of Mars exploration into the hands of young explorers.
NASA is evaluating its options for dealing with an astronaut health issue in orbit, one of which is an early end to SpaceX's Crew-11 mission to the International Space Station.
Often called Earth’s green lungs, tropical forests pull down massive amounts of carbon dioxide from the atmosphere, release oxygen and help regulate the global climate. While the threat of large-scale deforestation is well known, new findings reveal a surprising culprit – the clearance of small areas of forest accounts for more than half of net carbon losses across the Tropics.
File: A Falcon 9 rocket stands in the launch position at Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station ahead of the planned liftoff of the Starlink 6-61 mission on Oct. 22, 2024. Image: Adam Bernstein/Spaceflight Now
SpaceX is set to launch its Falcon 9 rocket on an early afternoon flight to deliver more of its Starlink satellites into low Earth orbit from Cape Canaveral Space Force Station.
In 1604, German astronomer Johannes Kepler spotted a new star in the sky that was so bright it could be seen during the daytime. The discovery, which Kepler described in his book *De Stella Nova*, caused quite a stir in the astronomical community. With this one point of light, astronomers questioned the prevailing dogma that the "firmament" (the background stars in the sky) was not unchanging and permanent. In time, we would come to realize that Kepler's Supernova (as it's come to be known) was a white dwarf that exceeded its critical mass and exploded in a brilliant burst.
So let’s say you set up an experiment to measure a quantum property of subatomic particles. Like, I don’t know, spin.
All of physics rests on causal determinism. It’s like…how we do physics. It IS physics.
Jupiter's ice-covered moon Europa has emerged as a prime target in the search for life in our Solar System. Its frozen surface caps an ocean that contains more water than all of Earth's combined. Because it orbits the massive gas giant Jupiter, tidal heating keeps that ocean from freezing.
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