Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

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

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

NASA has released its first image of a planet outside of our solar system. Astronomers used NASA's James Webb Space Telescope to take a direct image of the exoplanet, described as a "gas giant." NASA ...

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

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

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

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