In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

WASHINGTON >> NASA released fresh images today of the interstellar object called 3I/ATLAS that astronomers have determined is ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

There's a new celebrity in town and it's... a comet. Much of the attention has to do with an astrophysicist's grandiose suggestions that 3I/ATLAS could contain alien life. Other scientists disagree.

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...