"Planetary-mass objects don't fit neatly into existing categories of stars or planets." Using the James Webb Space Telescope ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

Check out the newest look at Noah Hawley's (FX's Fargo) Sydney Chandler-starring Alien: Earth that was included in a new FX Networks trailer.

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

Scientists mapped exoplanet WASP-121b’s atmosphere, revealing extreme winds and hidden metals. Iron and titanium appear ...

Mars may have once had a vast, ice-free ocean, according to new evidence from China’s Zhurong rover. Using ground-penetrating ...

During the past year, place names from the Grand Canyon have turned up on the surface of Mars. To find out why, author Scott ...

For decades, something strange has lurked inside the icy giants of our solar system. Uranus and Neptune, distant blue worlds ...

Mars may have once hosted an ocean with waves that lapped against sandy beaches 3.6 billion years ago, according to new ...

An astronaut who spent 178 days in space has revealed the 'big lie' he discovered while he was up there. Former NASA ...