A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

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

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

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

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

NASA's DART mission successfully altered Dimorphos' orbit, but the impact unleashed over 100 boulders, significantly boosting ...

In the almost three years since NASA proved that it could successfully deflect an asteroid, we’ve learned a lot about these ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...