Space
Ancient Galaxies Are a 'Stress Test' for Established Physics, Study Says
The James Webb Space Telescope has spotted galaxies in the early universe that are way more massive than expected. What gives?
Watch Europe Launch a Jupiter Mission that Will Search for Signs of Life
The Jupiter Icy Moons Explorer (JUICE), which will explore Jupiter’s potentially habitable moons, is set for liftoff on Thursday morning.
NASA’s Webb Telescope Reveals Supernova in Unprecedented Detail
A stunning new picture of an exploded star includes a “green monster” and other never-before-seen features.
Scientists Have Spotted Unprecedented Black Holes in the Early Universe
The observation of black holes at "cosmic noon" fills a critical gap in our knowledge of how the universe's structure emerged.
A Repeating Radio Signal Is Coming From Another Planet, Scientists Say
The radio signal indicates that the Earth-like planet may have its own magnetic field, a key component for habitability.
Alien Fossils Could Be Hidden Across Earth And We Must Find Them, Scientist Says
According to a new study in the International Journal of Astrobiology, alien fossils in space dust could be hidden deep in the ocean or under ice.
New Source of Water on the Moon Estimated to Hold 270 Trillion Kilograms of Water
The ability to tap into this reservoir can pave the way for crewed space exploration, but researchers are still figuring out how.
Species-Ending Asteroids Hit Earth More Often Than We Realized, NASA Research Suggests
NASA Goddard Chief Scientist James Garvin's controversial findings suggest that some past asteroid impacts were a lot bigger than we realized.
There's a Massive 'Hole' in the Sun the Size of 20 Earths Right Now
The coronal hole in the Sun spurred NOAA to issue an alert for geomagnetic storms.
The Mystery of Alleged Alien Object 'Oumuamua Has Been Solved, Scientists Say
A new study claims to definitively point to a natural origin for 'Oumuamua, but alien-hunting Harvard astronomer Avi Loeb is not convinced.
China’s Mars Rover May Be Dead, NASA Images Reveal
Zhurong might have failed to reactivate as planned due to the Red Planet’s notorious dust storms.
Physicists Are Searching for Signs of a Second 'Dark' Big Bang to Solve a Major Mystery
Dark matter in the universe might be so mysterious because it has a completely different origin to the rest of the cosmos, a new theory proposes.