The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Tidal forces from Earth, Venus and Jupiter may help keep the sun calm, reducing the risk of powerful solar storms that ...

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Scientists’ model indicates that dark matter inside gas giants could collapse into black holes detectable by observation.

The OSIRIS-REx mission, which delivered over 120 grams (4.2 ounces) of Bennu ’s soil to Earth in 2023, is the largest haul of ...

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest ...

Venus, Jupiter, Saturn and a faint Mercury are visible this month to the naked eye, and the best chances to spot them are ...

Astronomers at UC Santa Cruz have developed a new model to better understand “steam worlds,” or water-rich sub-Neptunes—some ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...