When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

Astronomers are searching for a potential ninth planet, known as Planet Nine, which could reshape our understanding of ...

the remaining gas planets inhabit deeper space. The solar system is also home to many other cosmic bodies including asteroids, moons and dwarf planets such as Pluto. What's this? Oh noooo ...

A so-called “planet parade,” when multiple planets appear in the night sky at the same time, is underway and will march ...

The universe is full of surprises—like planets so massive they outsize some stars. Explore the fascinating size comparisons ...

Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have three exoplanets in its orbit; each, it would turn ...

An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...

"We must rethink how we create computer models for planet formation and early evolution in the young universe." ...

NASA James Webb Telescope captured images of planet-forming disks that confirmed findings from the Hubble telescope and ...

Astronomers are often asked how the casual observer can distinguish planets from bright stars in the night sky.