The odds of a 'city-killer' asteroid hitting Earth have fallen to zero
After weeks at the top of the Sentry list at the Center for Near-Earth Object Studies, the asteroid 2024 YR4 is no longer considered a threat to Earth.
asteroids
An asteroid could hit Earth in 7 years. Here's how astronomers are tracking it
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth in 2032.
Astronomers are tracking an asteroid that could hit Earth in 2032
The odds are about 1% that the football field-sized object could hit the Earth, but that makes it the closest call in more than 20 years.
A European spacecraft launches to perform a crash scene investigation on an asteroid
A NASA spacecraft knocked into an asteroid two years ago to test planetary defense. Now, a new mission will inspect the damage, with the goal of helping future asteroid deflection.
Asteroid headed toward Earth? NASA simulation explores how the nation might respond
NASA and other federal agencies recently did a tabletop simulation of an Earth-threatening asteroid to see how they'd handle it
Take a peek at what NASA brought back from an asteroid
Scientists are thrilled with the tiny asphalt-black rocks, and most of the sample hasn't even been revealed yet.
This next NASA mission to an asteroid is seriously metal
A NASA mission called Psyche is about to launch on a mission out to an unusual asteroid that's scientists believe is largely composed of metal.
NASA effort to bring home asteroid rocks will end this weekend in triumph or a crash
NASA's first effort to retrieve samples from an asteroid will send a capsule that contains extraterrestrial pebbles and dust plunging towards a Utah desert on Sunday.
Astronomers still have their eyes on that asteroid NASA whacked
NASA's Double Asteroid Redirection Test slammed a spacecraft into an asteroid, directly altering its path through space. Scientists are still studying the space rock to learn more.
Earth will have 'a very close encounter' with an asteroid tonight, NASA says
There's no reason for alarm — but, a NASA engineer calls it "one of the closest approaches by a known near-Earth object ever recorded." It will be only 2,200 miles above the Earth's surface.