It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

The material withstands 58 percent more stress than diamonds, and could have "remarkable mechanical properties".

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Discovered in December, the near-Earth asteroid known as 2024 YR4 is estimated to be 130 feet to 300 feet across.

Asteroid headed towards Earth could smash into the Moon, scientists say - Nasa expects chances of Earth collision to be ...

Here's how scientists deflect asteroids after experts reveal exact locations where 'city destroyer' could hit.

REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...

Asteroid 2024 YR4 has a tiny chance of hitting Earth in 2032, but for now, you can watch it fly harmlessly through space in a short time-lapse video captured by the NASA-funded ATLAS telescope.

Credit: NASA Here are today's general risks from asteroids or comets both tiny and ... Mark is an award-winning journalist and the science editor at Mashable. After working as a ranger with ...