Astronaut Don Pettit took this stunning photo of a nearby comet from the International Space Station ...

A once-in-a-lifetime comet just made its closest approach to the Sun, becoming visible for the first time in 160,000 years.

NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were launched ...

A comet last seen 160,000 years ago will be bright and visible in the skies over the UK this week as it makes its closest ...

G3 (ATLAS) should be visible from the southern hemisphere, and possibly also the northern hemisphere, over the next few days ...

Earth is constantly bombarded by space debris, from the tons of cosmic dust that lands on the planet daily to rare, huge, ...

On a long enough timescale, an asteroid, comet, or other impactor will come calling ... and planning for an eventual impact.

In the wake of comet C/2023 A3 (Tsuchinshan–ATLAS) in October, comet G3 is due to reach perihelion — its closest to the sun — ...

NASA's Lucy mission will continue its journey to explore the Jupiter Trojan asteroids, which share Jupiter's orbit around the Sun, in 2025. One key event for Lucy is its flyby of the inner main-belt ...

The presence of dimethyl sulfide from comet 67P, supports the idea that lifeless processes can make molecules that we tend to associate with living organisms. In 2016, Rosetta concluded its mission ...

Mao’s attempt to destroy China’s “deep state” resulted in a decade of chaos, economic paralysis, and institutional dysfunction. Drawing lessons from Mao’s missteps is essential if Musk ...

The James Webb telescope has focused its attention on an oddball space rock lurking between Jupiter and Neptune. The unusual "centaur," named 2060 Chiron, has features of both comets and asteroids ...