Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

The space rock, known as "2026 AJ" and 40 feet in diameter, is hurtling toward our planet at around 20,500 miles per hour.

Scientists have discovered a “record-breaking” asteroid that is nearly the size of eight football fields. The object, known ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention asteroids. That’s easy to understand. The typical asteroid lacks the jaw ...

Astronomers analyzing data from Vera C. Rubin Observatory have discovered the fastest-ever spinning asteroid with a diameter ...

Scientists discover asteroid spinning once every 1.88 minutes—the fastest rotation ever found for a large space rock. Five ...

It's an Earth sandwich! What if we placed our Earth between our Solar System's two asteroid belts: the Main Asteroid Belt and the Kuiper Belt. How long would it be before one of these belts sent their ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was impacted by NASA DART mission. Credit: SCIENCE: NASA, ESA, STScI, Jian-Yang Li ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

If you thought 2025 was an exciting year for spaceflight and cosmic discovery, just wait til 2026. The past year was one filled with monumental human missions to orbit, headline-grabbing experimental ...