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 ...

Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity ...

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

As only the third interstellar object ever discovered, 3I/ATLAS offers a rare chance to study remnants of solar systems ...

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

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...

Little pieces of the 4.5 billion-year-old Asteroid Bennu are saying a whole lot about the history of the solar system. As the first asteroid samples to return to the U.S. for research, particles from ...

Jack Knudson is an assistant editor for Discover Magazine who writes articles on space, ancient humans, animals, and sustainability, and manages the Planet Earth column of the print issue. View Full ...

Our solar system is filled with rocky debris tumbling around the sun, most of which is the same age, but the asteroid Bennu ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, three new studies of the asteroid's sample materials show.

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 ...