The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

But scientists revised that assessment after a precise analysis of the asteroid’s orbit in 2021. And scientists are expecting similar forecasting trends with 2024 YR4, which currently sits at a ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

In 2021, NASA gave the all-clear to another potentially worrisome asteroid, Apophis, after new telescope observations ruled out any chance of it hitting Earth in 2068. It’s way too soon to fret ...

That’s a 1 in 59,000 possibility of impact, meaning there is a 99.9983% chance that the asteroid will safely zip by Earth in seven years, according to NASA. The agency also shared that the new ...

"The dinosaurs that live on today — birds — are really ... ancestors the opportunity to thrive and evolve, a 2021 study found. If the asteroid had missed Earth, it's likely that humans ...

CAPE CANAVERAL, Fla. (AP) — The threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world’s telescopes rush to track its course. But the chance of an impact is still ...

Related: What happened when the dinosaur-killing asteroid slammed into Earth? In that 2021 study ... who is the lead author of the new study, told Live Science in an email.