asteroid
Latest about asteroid
![an asteroid slams into Earth](https://cdn.mos.cms.futurecdn.net/V5JzT3FCbpwGTaNDq3w3o3-320-80.jpg)
Dino-killing asteroid triggered 'mega-earthquake' that rocked the planet for months
By Stephanie Pappas published
The dinosaur-killing Chicxulub impact triggered a months-long mega-earthquake that left its mark in the rock.
![The Vredefort crater was birthed 2 million years ago when the largest asteroid ever to hit Earth impacted the planet. A new study suggests the gargantuan space rock was even bigger than previously predicted.](https://cdn.mos.cms.futurecdn.net/axA5rkKwd438kHLzbq6gmd-320-80.jpg)
Largest asteroid ever to hit Earth was twice as big as the rock that killed off the dinosaurs
By Harry Baker published
New research suggests that the asteroid responsible for forming Earth's largest impact crater was even bigger than researchers had previously estimated.
![An illustration of an asteroid streaking toward Earth. The asteroid that hit Earth about 66 million years ago triggered a tsunami with mile-high waves.](https://cdn.mos.cms.futurecdn.net/aWhRa8jDVCDWoUHvbadYEk-320-80.jpg)
Tsunami from dinosaur-killing asteroid had mile-high waves and reached halfway across the world
By Laura Geggel published
The dinosaur-killing asteroid triggered mile-high monster waves and waters that reached the world over.
![An artist's rendering of a large asteroid smashing into the Earth, raining fire and debris everywhere.](https://cdn.mos.cms.futurecdn.net/QuK3KTftnGWsCgGDk4pYu4-320-80.jpg)
Could an asteroid destroy Earth?
By Brandon Specktor published
When large asteroids hit the Earth, they trigger mass extinctions and climate chaos. But could an asteroid destroy the planet entirely?
![DART's final moments before it crashed into Dimorphos's surface.](https://cdn.mos.cms.futurecdn.net/fwwqF7ZgERFwo6p8ZisLK8-320-80.gif)
Watch NASA's DART spacecraft hit 'bullseye' by smashing into an asteroid
By Ben Turner published
This is the first ever test of the Earth's planetary defence system
![An artist's depiction of the DART spacecraft approaching Dimorphos, with the larger Didymos in the background.](https://cdn.mos.cms.futurecdn.net/hLoWhzLoTE9hqz5bpgE6fb-320-80.jpeg)
NASA just redirected an asteroid by smashing a spacecraft into it
By Ben Turner last updated
The test will help scientists learn how to stop catastrophic asteroid impacts.
![Illustration of NASA's DART spacecraft prior to impact with the Didymos binary system.](https://cdn.mos.cms.futurecdn.net/wYy2EWN8XGmQQXXsyQJJPJ-320-80.jpg)
NASA will smash its DART spacecraft into an asteroid on Monday. Here's how to watch.
By Ben Turner published
The test will provide vital information on how to stop catastrophic asteroid impacts.
![Experts with the UK Meteor Network said that the fireball was probably a space rock that broke off from an asteroid.](https://cdn.mos.cms.futurecdn.net/6DdidKYQ4BvjgSPhP5dEhN-320-80.jpg)
Blazing fireball illuminates skies over Scotland and Northern Ireland
By JoAnna Wendel published
Astronomers say the fireball was likely caused by a space rock the size of a golf ball disintegrating in Earth’s atmosphere.
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