Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into ...

As more of the solar system has been explored and imaged, all kinds of geographical features have been mapped on many of our ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

An international planet hunt spearheaded by Monash University researchers has discovered evidence of five new baby planets, ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...

"I don't see an inner solar system in which we don't significantly develop the moon if you're going to go anywhere." ...

Most astronomers agree that life is likely common throughout the universe. While Earth is the only world known to have life, ...

The curious minds at What If explore just how many Earths could fit inside each of the major planets in our solar system.

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Kosmos-482, a spacecraft bound for Venus in 1972, was a time capsule from the Cold War when superpowers had broad ambitions ...