A CITY-KILLER asteroid could be hurtling towards Earth but going completely undetected, a space agency chief warned. Humanity ...

Analysis of samples brought back to Earth from the asteroid Bennu reveal that it has a bizarre chemical make-up and is ...

NASA has said Earth will likely be spared by a deadly Big Ben-sized asteroid and predicts it could smash into the Moon instead in a dramatic collision. The space agency feared the chance of a ...

The amount of light reflected by the asteroid’s surface is used to estimate how big it is. However, the Webb telescope, slated to begin observations of 2024 YR4 in early March, sees the universe in ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

YR4 has a 2.3% chance of hitting Earth in the year 2032. But according to new estimates, it may have an even smaller chance of hitting the moon instead.

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

By April, astronomers expect the asteroid to be too faint for even the largest ground-based telescopes to see, so it was critical for researchers to make as many observations of the object as ...

The asteroid is estimated to be about 40-90 meters wide, big enough to cause local devastation but not mass extinction. While the asteroid is dangerous enough to merit attention from scientists ...