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 ...

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 ...

In June, researchers using the European Southern Observatory’s Very Large Telescope in Chile noticed that this rogue planet ...

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings ...

Rogue planets may have more in common with stars like our sun than astronomers realized. About 620 light-years from Earth, a ...

European Southern Observatory's Very Large Telescope (VLT) in Chile, with additional data from the James Webb Space Telescope ...

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

This 2020 astronaut photo shows the unusual cetacean-like shape of Belize's Lighthouse Reef. It's home to the famous Great ...