How big it is: 865,000 miles (1.392 million kilometers) across ...

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Astronomers anticipate an unprecedented view of the solar system as the Rubin Observatory begins to scan millions of hidden ...

A group of astronomers from across the globe, led by Queen’s University Belfast, have revealed that millions of new solar ...

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful ...

The exoplanet Wasp-121b orbits its star in a very close orbit. However, it originated much further away, as researchers have ...

June 7 (UPI) -- SpaceX launched SiriusXM's second new satellite into orbit from Florida early Saturday after five delays. The ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct volcano, puncturing a glowing band of greenish haze in the planet’s upper ...