For decades, people have asked if life ever existed on Mars. The question moved from science fiction to careful science with ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

New Curtin University research has uncovered a striking link between the structure of our galaxy and the evolution of Earth's ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Oumuamua, the first interstellar object detected in 2017, is most likely a fragment of a Pluto-like body. Scientists believe it was flung out of the solar system billions of years ago during its ...

A new study in Nature has revealed unexpected evidence that the asteroid Ryugu once had liquid water flowing through it. The ...

On Sept. 12, 2013, Voyager 1, launched 36 years earlier, became the first man-made spacecraft ever to leave the solar system.

Hayabusa2 asteroid Ryugu samples reveal liquid water flowed through rock over one billion years after formation.

NASA has thrown cold water on Harvard astrophysicist Avi Loeb's theory that interstellar visitor 3I/ATLAS was sent to us by an extraterrestrial civilization, a sobering, albeit unsurprising conclusion ...

There were plenty of reasons to think that this year’s RE+, the U.S. solar industry’s biggest annual gathering, would be a ...

Blue Origin has been developing its Blue Alchemist technology to make it possible to develop infrastructure on the moon using resources already there.

NASA scientists have firmly rejected claims by Harvard astronomer Avi Loeb that the interstellar comet 3I/Atlas may be a ...