On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When ...

Astronomers have found a new exoplanet named TOI-1846 b. This planet is nearly twice the size of Earth. It may contain a lot ...

Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

The NASA/ESA Cassini-Huygens mission explored Saturn and its moons from 2004 to 2017, providing the most detailed images and ...

Imagine stepping onto a distant exoplanet, where vast alien oceans stretch beyond the horizon. Based on data from missions ...

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

Scientists have scored a pristine view of a pair of exotic worlds orbiting a star more than 300 light-years away — one with sand-like clouds and another surrounded in space by moon-making material.

French experts have made an unprecedented discovery with NASA's James Webb Telescope after stumbling across an exoplanet which is now known as TWA 7b.

NPR's science podcast Short Wave shares how taking a nap can deliver a eureka moment, a new picture of a planet right after ...