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

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

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 ...

In the case of Apophis, further observations eventually allowed astronomers in 2021 to rule out the possibility of an impact when the asteroid makes a close flyby to Earth in 2029 and again in 2036.

The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and position.

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) ...

In 2021 a collaborative of scientists published a report that identified the immediate effects of an asteroid, including “shock waves that can knock down forests and buildings, thermal radiation ...

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 ...