The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

A newly identified group of icy bodies in the Kuiper Belt has left astronomers both surprised and intrigued. Led by Amir ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

BepiColombo will arrive in 2026 to uncover the planet Mercury, and unravel how a planet as small, dense, and in such an odd ...

A surprising new theory claims Earth’s building blocks were supernova ice, not stardust. This could change everything.

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

James Webb observations detect warm carbon monoxide gas in the inner disk of HD 131488, revealing non-equilibrium conditions and evidence of exocomet-driven gas replenishment near the star.

In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the "Christmas Star" from the ...

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...