The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

NASA's top planetary defense expert reveals the biggest threat isn't Hollywood-style doomsday rocks, but undiscovered ...

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

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 ...

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 ...

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

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

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

Around 15,000 mid-sized asteroids, known as 'city-killers', are unaccounted for as they zoom around space close to planet ...

Nasa is looking at several options, like crashing a probe into the asteroid to nudge it off course, but that plan was later deemed "impractical" because of constraints such as not knowing the object's ...

Early last year, asteroid 2024 YR4 caught the public’s attention as its chances of hitting Earth in the near future climbed ...

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.