A new study proposes that a crash between Titan and another moon spawned Hyperion and, much later, destabilized Saturn’s inner moons into rings.

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

This meant subjecting microbes to minimum pressures equivalent to ten times those of the Mariana Trench, the deepest part of ...

Best time to see them in 2026: The meteor shower will peak overnight around October 21 and 22. The best time to view the ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

This week the telescope revealed its first real-time sky alerts, issuing 800,000 alerts for transient events in just one night, February 24, 2026. Some of these were variable stars – which go through ...

New research suggests that Jupiter’s icy moons may have formed with complex organic molecules already embedded in their building blocks.

A total lunar eclipse kicks off March. Jupiter is well placed most of the night, while Venus shines brilliantly and Uranus is ...