NASA has confirmed that asteroid 2025 MN88, measuring about 65 feet wide, will make its closest approach on 6 July.

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

NASA’s DART mission slammed into the asteroid Dimorphos to test planetary defense. But weeks later, its orbit kept ...

The "city killer" asteroid YR4, roughly the size of a 10-story building, was detected in 2024 and has a 4.3% chance of ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears ...

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

YR4 is a tailor-made asteroid for planetary defense efforts — it has everything it takes to get our attention." ...

Scientists created this mosaic of asteroid Bennu using imagery collected by NASA's OSIRIS-REx spacecraft. The asteroid spans about 1,600 feet (500 meters) across.

After months of tracking and refining Asteroid 2024 YR4's orbit, NASA scientists were able to rule out an Earth strike. There's no real risk to the planet in seven years or afterward, according to the ...

NASA is about to launch a spacecraft on a nearly six-year journey to a strange asteroid that, unlike most space rocks, seems largely to be made of metal.

Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so much.