In 1994, the fragments of the Shoemaker-Levy 9 comet smashed into Jupiter with a force equal to 300 million atomic bombs.

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and destructive than previously thought, according to new research. Unlike ...

Scientists atop Mauna Kea on the Island of Hawaiʻi and across the Hawaiian chain are turning their telescopes skyward Friday ...

Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late.

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

Asteroid mining has shifted from science fiction to business plan, with serious money and engineering talent now chasing ...

There may be no enterprise that lends itself so well to the camera as space travel. The universe is a riot of color and light ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

A pair of nascent planets have been caught smashing together around the nearby star Fomalhaut, and in doing so have solved the puzzle of its famous ‘planet’ ...

A massive collision between two asteroid-sized bodies around a nearby star offers a rare look at the violent process of ...

Ever since 3I/ATLAS, an interstellar object was discovered on July 1, 2025, by the NASA-funded Asteroid Terrestrial-Impact ...