There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Astronomers have uncovered a massive gas planet in a place it should never exist, orbiting one of the smallest stars in the ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed ...

Pluto's icy mountains have caught the fancy of star gazers and cosmos geeks. But a question soon arose: "Is this made by AI?" ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...