“If we’re confused about whether something is an unknown asteroid or a Tesla Roadster, then it starts to cost us money to do things like tracking it or figuring it out.” That’s why better ...

NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson. Currently 45 million miles (70 million kilometers) ...

It has been a little over seven years since SpaceX first test-launched its powerful Falcon Heavy rocket. The February 2018 ...

An object in space that astronomers initially identified as a close-to-Earth asteroid turned out to be a Tesla electric car that Elon Musk’s SpaceX launched in 2018 as a stupid publicity stunt.

Up until August 2024, the WISE spacecraft was one such observatory. The telescope was repurposed for asteroid and comet tracking after its original mission ended. In the next few years ...

Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters) wide, a “size range comparable to that of a large building,” said Dr. Paul Chodas ...

An asteroid nearly the size of a football field now has roughly a 0.004% chance of hitting Earth in about eight years, NASA says — with the space agency saying it "no longer poses a significant ...