The asteroid 2021 SM3 is considered part of the Apollo asteroid group. These are asteroids with an orbit that is wider than that of Earth that cross the path of our planet as it loops around the sun.

The newfound asteroid 2021 PH27 completes one lap around our star every 113 Earth days. That's the shortest orbital period of any known solar system object except the planet Mercury.

An asteroid up to three times larger than a blue whale will zoom past Earth on Monday (June 6) at more than 16,000 mph (26,000 km/h), according to NASA. The asteroid, named 2021 GT2, is predicted ...

Asteroid 2021 VR will return to visit our planet first, making its next closest approach on 13 March 2022. After that, 2016 JG12 will be back in April of 2022.

This week saw Asteroid Day, the yearly event about the risks to Earth of asteroid impacts, but the European Space Agency marked the event with some good news: The asteroid 2021 QM1, listed as one ...

Asteroid 1994 WR12 won't be the only asteroid approaching Earth in the next two months. One of the closest approaches Earth will see will come Friday, when the asteroid WK1 2021, about 64 feet ...

The probe's first encounter will be with the asteroid Eurybates in August 2027. According to NASA, Lucy will conduct four ...

The asteroid, named 2021 GT2, is predicted to safely miss our planet by more than 2.2 million miles (3.5 million kilometers) — or roughly 10 times the average distance between Earth and the moon.