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

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

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

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