NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

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

ASTRONAUTS visiting Mars could unearth a museum of alien fossils that may have belonged to an intelligent civilisation.

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

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

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

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

A tech consortium is teaching chatbots Taiwan's local languages, in the hopes they won't be left behind in the AI age.

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

Interstellar comets offer the tantalizing opportunity for us to touch something truly otherworldly,” says the European Space ...