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.

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

Countless asteroids in our solar system, some close, some far — but did you know that some of these space rocks have names?

The telescope is one of the asteroid discovery programs funded by NASA to scan the sky in search of near-Earth asteroids, said Davide Farnocchia, navigation engineer at JPL and CNEOS, via email.

YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...

In 2005, Congress directed NASA to track 90% of all near-Earth objects 140 meters or larger by 2020. "We're at something like 45% ... an infrared space telescope designed to hunt these objects.

Asteroid 2024 YR4 is just one of more than a million asteroids in orbit, but just another out of the 35,000 “near-Earth asteroids” out there that could become dangerous, said Sherry Fieber ...

NASA has significantly lowered the risk of asteroid 2024 YR4 hitting the Earth in 2032 through recent calculations. The moon ...

The orbits of asteroids bring them within 120 million miles of the sun. Most near-Earth objects (NEOs) are asteroids that range in size from around 10 feet to almost 25 miles across. "The majority ...

Artist's impression of a Near-Earth Asteroid passing by Earth. Asteroids are out there and they pose a threat to Earth. A new method of determining their distance more quickly could help keep us safe.