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

The National Aeronautics and Space Administration (NASA) has issued a stern warning after the agency’s head of planetary ...

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 ...

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

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

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

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

Earth faces a significant threat from thousands of undetected asteroids capable of destroying cities. NASA's planetary defence chief warns that current systems cannot reliably stop these 'city-killers ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

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