There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Earth’s turbulent atmosphere makes it hard to detect new planets from the ground. Astronomer Rebecca Jensen-Clem is working ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Rogue planet Cha 1107-7626 is swallowing gas and dust at roughly six billion tons each second, the fastest planetary growth ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense star-forming regions, revealing that Earth-like planets can form even in ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...

The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...