YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...

In a world where we often find ourselves looking up at the stars, one question persists in the minds of many: could an ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

A massive 150-foot airplane-sized asteroid is set to pass Earth tomorrow, prompting NASA to issue a cautionary alert., ...

NASA is monitoring three aircraft-sized asteroids that will zoom past the Earth later today at around 19,000 to 22,200 miles per hour.

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

Astronomers believe that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space. Recently, NASA was tracking a large asteroid flying past Earth ...