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

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Rio Hurtado first spotted the object ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

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 ...

"If 2024 YR4 strikes the Moon in 2032, it will (statistically speaking) be the largest impact in approximately 5,000 years," ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.