During a House Committee on Space, Science and Technology hearing, experts discussed the state of NASA's planetary defense ...

In December, astronomers identified that the asteroid YR4 had a small but not insignificant chance of striking Earth in 2032, ...

A huge asteroid the size of a 30-story building is racing through space and will make a close approach to Earth tomorrow, May ...

The work that we’re doing is really important because warning time is everything,” says Danica Remy of the B612 Foundation in ...

Asteroid 2025 HY2, an Apollo-class asteroid, will pass Earth on May 7, 2025, at a speed of 48,904 km/h. Though passing at a ...

In 2022, NASA scientists successfully nudged an asteroid off its course, shortening its orbit by 32 minutes as part of the ...

While these objects have some similarities, there are crucial differences that can help us work out what just passed over our ...

There’s a lot to see in the night sky -- the familiar Moon, stars and planets. But there’s the unexpected, too -- something ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

The global apparatus of researchers and cosmologists had formed in 2013 in the wake of an exploding meteor over Chelyabinsk, Russia, that shattered glass for miles around. “We did not see that ...