The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

A team studying asteroids using CERN’s Super Proton Synchrotron (SPS) proton beam has found a few complications with the idea ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

The John J. McCarthy Observatory - run by volunteers on the grounds of New Milford High School - has been watching the night sky for 25 years.

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an ...

A niche corner of the commercial space sector is attracting attention from United States national security planners, not because of its economic promise, but because of the technical problems it is ...

Could humanity nuke an incoming asteroid to deflect it and save the Earth, disaster-movie style? A unique new impact ...

Dear EarthTalk: It seems to me the single biggest potential “environmental” problem we could face—even bigger than global warming or a nuclear war—is a comet or asteroid striking the Earth. Do we ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

Only far smaller impacts have been observed directly. In 2013, a meteoroid weighing a few hundred kilograms struck the Moon, ...

A powerful new telescope spots an unusually large asteroid spinning faster than thought possible, challenging long held ideas ...