NASA has since confirmed the object is an interstellar comet called 3I/ATLAS – and it is only the third interstellar object ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Using a powerful telescope in Hawaii , the European Space Agency (ESA) has now captured the first video of 3I/ATLAS as it ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

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.

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

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

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