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Watch 'city killer' asteroid fly by Earth today on its closest approach for centuries (Feb. 2)
By Harry Baker last updated
A "potentially hazardous" space rock the size of a football stadium is about to reach its closest point to our planet for more than 100 years, and it won't get this close to us again for centuries more.
The Geminid meteors may be 10 times older than we thought, simulations of oddball asteroid Phaethon suggest
By Deepa Jain published
The comet-like asteroid Phaethon likely lobbed thousands of rocky fragments toward Earth while rapidly spinning around the sun 18,000 years ago, new research suggests ― and it may fling some more soon.
'This might be the seeds of life': Organic matter found on asteroid Ryugu could explain where life on Earth came from
By Robert Lea published
Organic matter found in samples of asteroid Ryugu suggests that ancient comets may be responsible for bringing the 'seeds of life' to Earth.
Airplane-size asteroid will have 'very close encounter' with Earth on Saturday — and you can watch it happen
By Sascha Pare last updated
Asteroid 2024 BJ, which astronomers detected earlier this month, will zoom within 220,000 miles of Earth tomorrow, or closer to us than the average distance to the moon.
How NASA correctly predicted that a tiny asteroid would burn up over Germany, hours before it happened
By Mike Wall published
Astronomers detected a small asteroid zooming toward Earth's atmosphere on Jan. 21, correctly predicting it would explode over Germany within hours. Here's how they did it.
At last: NASA's complete sample of the 'potentially hazardous' asteroid Bennu is finally freed from its canister
By Ben Turner published
It's finally time to look inside the sample-return capsule from NASA's OSIRIS-REx mission. Scientists were locked out of the container for months due to a technical malfunction.
Scientists discover near-Earth asteroid hours before it exploded over Berlin
By Kiley Price published
For only the eighth time in history, scientists detected an asteroid before it made its fiery appearance over Earth. The tiny fireball exploded near Berlin early on Jan. 21.
The 8 most Earth-shattering asteroid discoveries of 2023
By Brandon Specktor published
This year was one of the biggest ever for asteroid science, with NASA's triumphant return from asteroid Bennu, the grand reveal of organic molecules from asteroid Ryugu, a close look at the gory aftermath of an asteroid collision, and more.
Earth's intense gravity may rip space rocks apart, reducing the risk of 'planet killer' asteroids
By Abha Jain published
Earth and other terrestrial planets probably use their gravitational forces to tear apart asteroids ― but this creates more streams of smaller asteroids.
'Planet killer' asteroids are hiding in the sun's glare. Can we stop them in time?
By Brandon Specktor published
In the glare of the sun, an unknown number of near-Earth asteroids move on unseen orbits. A new generation of space telescopes could be our best defense against potential disaster.
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