NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

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

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

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 ...

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

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

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