The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

NASA Juno mission captured amazing new imagery of Jupiter's moon Europa. The spacecraft flew about 219 miles (352 kilometers) over the surface of the moon. Credit: Space.com | imagery credit: Credit : ...

Previous examinations using ground-based tools as well as the Hubble and Spitzer space telescopes indicated SIMP 0136 was ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

A pair of extraordinary space missions that have been headed out of the solar system for almost half a century are getting a ...

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

NEW YORK (AP) — NASA is switching off two science instruments on its long-running twin Voyager spacecraft to save power. The ...

Previously thought to be defined by simple cloud patterns, NASA's JWST has unveiled the astonishing complexity of SIMP 0136, ...

The first major event of Europa Clipper's journey to Jupiter takes place this weekend as a gravity assist maneuver around the ...