Asteroids
Latest about Asteroids

Asteroid that collided with NASA spacecraft is behaving unexpectedly, high school class discovers
By Brandon Specktor published
Asteroid Dimorphos, which NASA intentionally hit with a rocket during its DART mission in September 2022, is behaving in unpredicted ways.

What is OSIRIS-REx? Everything you need to know about the 1st NASA spacecraft to land on an asteroid
By Ben Turner published
OSIRIS-REx is due to make its return to Earth on Sept. 24. Here's everything you need to know about the mission and what it may reveal about the beginning — and the potential end — of life on Earth.

The largest asteroid impact crater on Earth is lurking beneath Australia, new evidence suggests
By Andrew Glikson published
Geophysical evidence suggests there is a massive, magnetized structure deep beneath Australia. Experts think it could be the remnants of the largest meteor crater on Earth.

How many 'city killer' asteroids narrowly miss Earth each year?
By Steven Tingay published
Last year Earth had more than 100 close encounters with large asteroids. What are the odds of a direct hit in the near future?

'Potentially hazardous' 600-foot asteroid detected near Earth after a year of hiding in plain sight
By Brandon Specktor published
A skyscraper-size asteroid was revealed in year-old telescope data thanks to a new algorithm that could rock the way near-Earth objects are discovered.

How long can an asteroid 'survive'?
By Joanna Thompson published
Asteroids are left over from the early solar system. Here's how they get destroyed.

'Swarm of boulders' in space shows the gory aftermath of NASA's asteroid-smashing DART mission
By Ben Turner published
The Double Asteroid Redirection Test (DART) has left a vast field of rubble strewn around asteroid Dimorphos, Hubble images show.

A skyscraper-size asteroid flew closer to Earth than the moon — and scientists didn't notice until 2 days later
By Brandon Specktor published
A stealthy asteroid the size of a 20-story building hid in the sun's glare before zooming uncomfortably close to Earth on July 13. Scientists didn't notice until July 15.
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