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

When it comes to science, a simple observation can upend everything you think you know, such is the case with one star ...

A discovery in V883 Orionis' planet-forming disk suggests Earth's water could have come from ancient interstellar ice that ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

The observations expand the range of environments where habitable worlds might emerge. Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most ...

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

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

Astronomers observed something incredible in a region that not much was expecting—a planet-scale object drifting alone in ...

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

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red dwarfs ...