From crewed lunar voyages to flight tests of fully reusable rockets and launches of new orbital telescopes studying the outer ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

On April 13, 2029, a massive asteroid named Apophis will pass extremely close to Earth. It will fly closer than many ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

Planetary defense efforts, formalized after the 1994 Comet Shoemaker-Levy 9 impact, aim to catalog and track hazardous near-Earth asteroids (NEAs) capable of causing significant damage, with mandates ...

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Astronomers assemble! Here's your chance to help make better predictions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A newly found ...

American astronauts who return to the moon's surface in the years ahead for the first time in more than half a century will have the difficult and unprecedented task of setting the stage for a ...

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above Antarctica—closer than many satellites—before anyone even spotted it. Less than a day ...

When an asteroid passing through the early solar system impacted the far side of our moon, it left behind the South Pole-Aitken (SPA) basin. The 1,200 by 1,000-mile crater was formed in an oblong ...