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 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 ...

NASA has found fewer than a third of the near-Earth asteroids large enough to destroy a city, and the agency’s best tool for ...

A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped ...

Some asteroids are quietly speeding up or veering off their predicted paths, yet telescopes see no glowing tails or hazy ...

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

Astronomers do not know where thousands of “city-killer” asteroids are, Nasa’s head of planetary defence has admitted.

While the technology still needs significant work, a new analysis of meteorites points to valuable targets in the solar ...

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.

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

Blasting meteorite samples with CERN’s Super Proton Synchrotron, the team found that the material "became stronger". That ...

Thousands of “city killer” asteroids remain undetected, NASA warns, and no ready spacecraft exists to stop one. A recent close call exposed gaps that scientists say still leave Earth vulnerable.