NASA's Curiosity rover drills into Mars' surface again, revealing ancient mudstone that hints the Red Planet once had water—and maybe even life.

We Earthlings see the sun every day of our lives—but gaining a truly new view of our star is a rare and precious thing. So ...

An international team of astronomers has discovered three new hot Jupiter exoplanets orbiting distant K dwarf stars. This ...

NASA's Chandra X-ray Observatory has detected powerful black hole jets emanating from a galaxy 11.6 billion light-years away.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

An exoplanet 60 light-years away from Earth, known as 14 Herculis c, is thought to be the coldest one yet found, researchers ...

Georgia Tech scientists have uncovered evidence that a mountain on the rim of Jezero Crater—where NASA's Perseverance Rover ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

NASA has just uncovered a groundbreaking discovery on Mars - and it could change everything we thought we knew about the Red Planet. From unexpected chemical signatures to signs of potential past life ...

The asteroid, about the size of a 10-story building, has a 4.3% chance of lunar impact, according to NASA's James Webb Space Telescope observations. While a moon impact wouldn't significantly alter ...

A solar mission shared between the European Space Agency and NASA has captured the first-ever images of the Sun's south pole.

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful ...