Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

Astronomers at the Center for Research in Information and Communication Technologies (CITIC) at the University of A Coruña, ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

At the same time, significant reserves of organic material, combined with the subglacial ocean of water, seas of methane and ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

The newly discovered object 3I/ATLAS (officially designated C/2025 N1) has taken the astronomical community by surprise.

In a discovery that opens a rare observational window into moon formation, NASA’s James Webb Space Telescope has detected a ...

Good thing it didn’t take too much longer, however—for in around 5 billion years’ time, the sun will start to run out of fuel ...

NASA’s report of potential signs of ancient life on Mars has reignited a long-running scientific debate about how common life ...