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

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...

Breaking news headlines, stories and live updates on current affairs from across the globe. Complete coverage on the latest ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Imagine a rock floating between Mars and Jupiter with an estimated value of $10,000 quadrillion. It is not an exaggeration. It is called Psyche 16 and it is one of the most mysteri ...