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

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

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The third interstellar object detected has been named 3I/ATLAS and was discovered on July 1 from Chile. Astronomers from the ...

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

This Independence Day may feel different for many Americans. Around the country, there are protests planned against Trump’s polices, and in places like southern California, where immigration raids ...