It's very rare that planetary geologists can tell whether it was an asteroid or comet that ... Chicxulub impact crater in the Yucatan Peninsula, Mexico. This impact wiped out 65 percent of all ...

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

It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it ...

It’s very rare that planetary geologists can tell whether it was an asteroid or comet that hit. One of the most famous of these 200 or so impact craters is the 200 km diameter Chicxulub impact crater ...

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking Earth are almost zero after earlier data had indicated a higher risk of a ...

William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the ...

For example, an asteroid estimated at 6-9 miles (10-15 km) wide - much larger than 2024 YR4 - hit off the coast of Mexico's Yucatan Peninsula 66 million years ago, eradicating about three-quarters ...

Previous studies have found that the nearly 10km-wide asteroid that slammed into the water near what is now Mexico’s Yucatan peninsula triggered a massive tsunami unlike anything ever documented.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...