A rare visitor from another star system has been spotted: the interstellar comet 3I/ATLAS! It was detected July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS. Most known ...

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

Scientists Believe an Asteroid Might Crash Into the Moon in 2032, a Once-in-5,000-Year Event A recently discovered asteroid ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

"The impact could pose some danger to equipment or astronauts on the moon, and certainly to satellites and other Earth-orbiting platforms, which are above our atmosphere." ...

Scientists found that NASA's DART spacecraft ejected a massive barrage of boulders when it bashed into asteroid Dimorphos in ...

In 2022, NASA rammed a spacecraft into an asteroid to see if it could alter its orbital period around its parent asteroid. The mission, dubbed the Double Asteroid Redirection Test (DART), aimed to ...

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects.