A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

A 140-foot asteroid is set to sweep past Earth today, and it seems everyone is taking notice. Astronomers have been tracking the space rock, officiall.

Scientists are raising serious alarms about hidden threats from space that could strike Earth without warning. NASA officials have revealed that thousands of large asteroids, capable of destroying ...

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 ...

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

NASA has raised red flags over growing asteroid threats that could potentially damage the Earth.To one’s surprise, astronomers are unaware of the location of thousands ...

NASA has made an alarming admission, revealing it has no idea where thousands of ginormous asteroids are currently located. The space rocks have terrifyingly been dubbed 'city killers' due to their ...

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

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

A planetary defense expert working for NASA warned that humanity has no defense against up to 15,000 undetected near-Earth asteroids that could wipe out a city.

Imagine a rock the size of a football stadium hurtling through space at thousands of miles per hour, heading straight for a major city, and we have no way to stop it. NASA has just issued a sobering ...