It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

While its discovery involved more than one fumbling astronomer, the asteroid 2024 Y24 has been in the headlines for its high chance of impact. Last week, space officials said it had a 3.1% smashing ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while astronomers warn that the moon could be in the line of fire as well.

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 between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on Dec. 22, 2032. Here’s what would happen if it hits — and why using ...

The narrow difference is due to the two agencies’ use of different tools for determining the asteroid’s orbit and modeling its potential impact. But both percentages rise above the 2.7% chance ...

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 ...

An asteroid will whiz harmlessly past Earth Saturday ... thermal radiation that can set fire to surrounding environment and tsunami waves for impacts in the ocean.” Long-term effects could ...

Will it help stave off a potential Armageddon? NASA is training humanity’s most powerful telescope on a “city-killing” asteroid to determine whether or not we need to brace for deep impact.

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 ...