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

We thought we understood planets, but the planetary disk chemistry of far-away XUE 10 is completely changing our conception ...

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

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

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

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

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

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature. Astronomers generally consider water worlds to be among the most common types ...

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