More than 50,000 years ago, a meteor hit Earth and formed what we now call Meteor Crater in northern Arizona. But new ...

Scientists uncovered a vast field of tektites in Brazil—a rare type of natural glass forged in the aftermath of meteorite ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

View from the Grand Canyon's South Rim onto Nankoweap Delta. Remnants of a past natural dam created by a landslide are visible on the far side of the Colorado River, just to the left of the dry bed of ...

The ancient meteor impact that formed Arizona's Barringer Crater sent shock waves through the Grand Canyon — likely triggering a landslide that dammed the Colorado River, a new study suggests.

A home security camera captured a falling meteorite and the sound it made when it hit the walkway leading to a house in Canada, the incident occurring just moments after the homeowner departed for a ...

For a few days in mid-February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, asteroid 2024 YR4. The chance of this impact rose to a high ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

An asteroid the size of a building could collide with the Moon in 2032 and generate a flash visible from Earth.