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

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

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

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

Warm Jupiters are rewriting the rules of planet formation - showing eccentric orbits that stay strangely aligned with their ...

PoET and ESPRESSO telescopes are new tools that will eliminate stellar noise and detect Earth-like planets around Sun-like ...

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

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...