A space rock dubbed 2024 YR4 has a roughly 2.3% chance of smashing into our planet, NASA scientists announced.
"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said.
Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...
Bennu, which comes closest to Earth every six years at a distance of 299,000 km, has a one-in-2,700 chance of colliding with ...
An asteroid strike could cool the planet's climate, harm crops, and disrupt food supply, but it may also increase plankton ...