Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

Comet‍‌‍‍‌‍‌‍‍‌ 3I/ATLAS is just the third object that we know of that has been observed to pass through our solar system from interstellar space; hen.

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Rapid household solarisation across the country is often celebrated as a quiet revolution. But beneath this hopeful imagery ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

As 2025 draws to a close, we look back at the year and, in the world of science, at the findings that have kept the world on its toes. Space aficionados, in particular, have had a thrilling time.