NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having the ...

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 ...

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

Scientists discussed the threat of asteroids at a recent conference in Phoenix. Here's what they said.

NASA scientists recently expressed alarm over the potential threat posed by approximately 15,000 undetected asteroids capable of causing significant regional destruction. Currently, only 40 per cent ...

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

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

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

NASA planetary defense experts report that mid-size near-Earth asteroids could cause regional damage, with detection and deflection remaining limited, according to New York Post and AAAS reports.

A NASA scientist has warned that thousands of city-killing asteroids could strike Earth, and there’s currently no defense humanity could use to stop them.

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...