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

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

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

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

The dazzling Orionid meteor shower peaked on Tuesday night and early Wednesday morning between midnight and dawn.

The shower is produced by Halley’s comet’s debris, and could offer strong viewing opportunities because the moon is new this ...

The Orionid Meteor Shower, caused by dust and ice particles from Halley's comet, will peak on October 21-23 and will be best ...

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 ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...