New research shows how Jupiter carved out rings and gaps that changed how and when planets and meteorites formed.

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...

The formation and stability of planets in double-star environments are clarified by this astounding discovery.

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now ...

Scientists have recently proposed the existence of “Planet Y,” a hidden Earth-sized world that could be lurking in our solar ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...