Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected. Previous research suggests ...

Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the Solar System formed, it took no more than three million years for the ...

Peering through a cosmic keyhole at distant baby star, astronomers may have opened a new window on the deep past of our own solar system. Weighing in at 0.6 solar mass, HOPS-315 should someday grow to ...

Scientists were able to see the moment when planets began to form around a star. Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of ...

A team of researchers, including those at the University of Tokyo, discovered that liquid water once flowed on the asteroid ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

This illustration provided by NASA depicts the Europa Clipper spacecraft over the moon, Europa, with Jupiter at background left. (NASA/JPL-Caltech via AP) (CN) — The largest planet in our solar system ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object with interstellar origins that has defied ...

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the minute. Spotted in early July, the object, dubbed 3I/ATLAS, is believed to be a comet. It's ...