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

The Earth bears geologic evidence of past cosmic impacts, such as the 125-mile-wide Chixculub Crater in Mexico’s Yucatan ...

You can see evidence of this impact at the Chicxulub crater on the Yucatán Peninsula in Mexico, which measures about 110 miles (180 km) across. The asteroid was likely between 6.2 and 9.3 miles ...

One of the most famous of these 200 or so impact craters is the 200 km diameter Chicxulub impact crater in the Yucatan Peninsula, Mexico. This impact wiped out 65 per cent of all species on Earth, ...

Torres: 3.1 percent is not high but it is the highest risk level of a space rock crashing into us, ever. Except for the one ...

The long, asymmetrical sides of the ripples slope south-southeast, pointing back to their source in the Chicxulub impact ...

Sixty-six million years ago, an asteroid thought to be around 12 kilometers (7.4 miles) in diameter impacted the Earth, ...

The impact caused the Chicxulub crater, on the Yucatán Peninsula in Mexico. That asteroid was nearly 5,000-feet wide and made quick worth of the earth's giant reptilian population. The good news ...