The enormous space rock, known as asteroid 2016 NF23 and estimated to be between 230 and 525 feet in diameter, will zip past Earth on Aug. 29 at a velocity of 9.04 kilometers per second, or ...

According to Collins' modeling, such an asteroid would carve a permanent crater more than 7 miles wide (11 km) and more than 2,030 feet deep (619 m) when it impacts.

The asteroid hit Earth's atmosphere above Jan Mayen, an unpopulated volcanic island around 310 miles (500 kilometers) east of Greenland and around 370 miles (595 km) northeast of Iceland, at ...

Any asteroid about 500 feet (140 m) or larger with an orbit that brings it within 4.7 million miles (7.5 million km) of Earth is classified as a potentially hazardous asteroid, NASA officials have ...

But could an asteroid destroy the planet entirely? Skip to main content. Open menu Close menu ... or 6,700 km wide — more than 500 times the width of the dinosaur-destroying asteroid).

The Osiris-Rex spacecraft entered orbit Monday around the asteroid Bennu, 70 million miles (110 million kilometers) from Earth. It’s the smallest celestial body ever to be orbited by a ...

Chert-filled cracks in these 3-billion-year-old sediments are interpreted as the result of an asteroid impact that created a crater 500 kilometers across, somewhere far away on Earth. Photos courtesy ...

The asteroid 2008 OS7 will make its closest flyby in the afternoon of February 2 and will pass Earth at a speed of about 18.2 km/s, or 40,700 mph. A speeding bullet, in comparison, can travel at ...