Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

The mysterious interstellar visitor in our Solar System has shifted in a way that has never been seen among comets before.

Georgia State researchers are joining a bold global mission: to build a revolutionary telescope that could detect life beyond our solar system. An "audacious" leap that might change how we see our ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

You wouldn’t expect the cosmos to come to a small town in rural Manitoba. The cosmos, frankly, has better places to be.

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will ...

“As a planetary system, it’s as alien as it gets,” said Néstor Espinoza, an astronomer at the Space Telescope Science Institute in Baltimore. “The star is very, very small — the size of Jupiter — and ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But mitigating this is its far greater distance, plus the fact that Earth appears much ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of ...

A second deep space antenna opened in a tiny monastic town in Western Australia could help unlock the secrets of the universe ...