As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

The asteroid belt between Mars and Jupiter contains ancient, ice-covered rocks that may have delivered much of Earth’s water ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space rock.The space agency released the images Monday, a day after the close ...