The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

Artist's impression of NASA's DART mission, which collided with the asteroid Dimorphos in 2022 to test planetary defense techniques ...

Friction would likely lead an asteroid of this size to fragment if it were to ever enter Earth's atmosphere, leaving the surface largely unharmed, NASA scientists say ...

The ‘gravity tractor’ method of asteroid deflection involves flying a spacecraft close enough to an asteroid so its gravitational attraction gradually pulls the body off course ...

The European Space Agency launched Hera in 2024 to test asteroid-deflection techniques in deep space. The agency aims to improve planetary defense measures. Rescued NASA astronauts deliver message ...

Only one asteroid deflection test has ever taken place in space. In 2022, Nasa sent its Dart (Double Asteroid Redirection Test) spacecraft to crash into Dimorphos, a 525ft-wide “moonlet” which ...