By probing the atmosphere of a mini-Neptune exoplanet, the James Webb Space Telescope has found that it formed much farther ...

A bizarre planetary pairing 190 light-years away is challenging everything astronomers thought they knew about how worlds form. A “lonely” hot Jupiter — typically found without nearby companions — is ...

Across the Milky Way galaxy, a planetary odd couple is circling a star some 190 light years from Earth. A normally "lonely" ...

Rogue planets sound like rare travelers among the stars, freed from the gravitational constraints of a host system, left to ...

Here's what's nearly out of the camera frame.

A waxing crescent moon will pass just a few degrees from Jupiter tonight, creating one of April’s most striking naked-eye sky pairings.

Astronomers discover water-ice clouds on a cold exo-Jupiter planet, Epsilon Indi Ab, advancing the search for Earth-like ...

In the paper from 2024, the team looked at long-period objects that crossed the path of Neptune's orbit, finding that their ...

Astronomers used the James Webb Space Telescope to probe the object, gathering clues on whether it grew larger over time like a planet or fragmented into smaller bits like a star. Stars are born from ...

The Trojans are two swarms of asteroids trapped by Jupiter. New research helps constrain their origins and evolution.

Along with hundreds of people, some strange objects have also been sent to space, from dinosaur bones to golf balls and even ...