In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...

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

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

The latest member of the caled as 2025 PN7, a newly discovered asteroid that could expand Earth's 'moon family' to eight.

A strange white dwarf system is pulling a nearby planet apart, leaving scientists unsure how both objects are still orbiting together.

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

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