NASA estimates that roughly 25,000 near-Earth asteroids measuring at least 140 meters across orbit in our planetary neighborhood, but surveys have so far cataloged only about 40% of them. That gap ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

Space agencies maintain that global cooperation and sustained investment are vital to planetary defence. While the DART ...

NASA's head of planetary defence, Dr Kelly Fast, has issued an unsettling update on thousands of ‘city-killer’ asteroids that could hit Earth.

When an asteroid approaching the Earth flies through the planet in a passage that is as close as the EarthMoon neighborhood, the least significant consequence is drama. It is calibration: an ...

“What keeps me up at night is the asteroids we don’t know about," said NASA's planetary defense chief.

Asteroid 2022 RD2 is a near-Earth object that could become a temporary moon, then later a potential crash risk for the planet later this century. - NASA / JPL-Caltech illustration Scientists have ...

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

A study found that these cosmic bodies appear to hold up remarkably well to sudden energy deposition and shock conditions, so we may be able to knock them off course and avoid disaster.