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

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

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

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.