NASA classifies an asteroid as potentially hazardous based on a number of factors including its size and whether it will pass within 0.05 astronomical units of Earth - the equivalent of around ...

Here’s how it works. A newly discovered house-size asteroid is set to make a close, yet harmless approach to Earth today (May 21), passing within one-third of the Earth-moon distance.

The close approach will happen at approximately 1:30 p.m. ET on May 21 (1730 GMT), at which point the asteroid, designated 2025 KF, will pass a mere 71,700 miles (115,000 kilometers) from Earth ...

Here's everything to know about the asteroid, how the public can track it going by and why NASA keeps a close eye on inbound space rocks. NASA JPL in California tracks asteroid The asteroid ...

NASA is additionally working on an asteroid-hunting telescope known as the NEO Surveyor to find near-Earth objects capable of causing significant damage. Now set to launch no earlier than 2027 ...

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in just a few hours. The gigantic space rock, which NASA compares to the size of a stadium ...

April 3 (UPI) -- NASA said that an asteroid previously believed to be destined for Earth is the size of a 10-story building and is now more likely to make impact with the moon. Designated as near ...

Astronomers say there is a 2.3% chance an asteroid nearly as big as the Statue of Liberty will smash into the Earth in 2032. The odds of this big old space rock, 2024 YR4, striking us was only 1. ...

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global winter that affects our planet for years.

Asteroid 2024 YR4 could smash into Earth in 2032 (NASA via AP) The “risk corridor” for impact stretches from South America, across central Africa, and up towards India and South-East Asia.

A relatively small object in space, roughly the size of the Statue of Liberty, is expected to zip past Earth on January 31. The object, named 2015 DJ155, is one of several objects that will near ...

Asteroid 2020 XR is somewhere between 1,000 and 2,300 feet (300 and 700 meters) wide, according to the European Space Agency (ESA). At roughly the size of a large stadium — or several million ...