Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

Astronomers have been fascinated after spotting an object earlier this year that came from interstellar space as is now hurtling through our inner solar system. Since then, they’ve been using powerful ...

The cosmos has always been a source of mystery and fascination, with its vastness filled with uncharted entities and phenomena. The recent discovery of a mysterious object on a trajectory toward Mars ...

A mysterious "rogue planet" has been observed gobbling 6 billion tons of gas and dust a second — an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday. Unlike ...

NASA’s MAVEN mission has discovered a rare atmospheric effect on Mars, revealing how solar storms may be reshaping and ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...