Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its frozen crust, according to new research. The findings add to growing ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

It's not the first time there have been claims of signs of life on Mars, so why are scientists particularly thrilled now?

Today marks a new era in the history of Scripps Institution of Oceanography as Meenakshi Wadhwa takes the reins as the 12th director of Scripps and as vice chancellor for marine sciences at the ...

Scientists witness planetary evolution in action as WISPIT 2b emerges within a cosmic nursery hundreds of light-years away.

The Planetary Boundaries are a framework that describes the upper limits of the impacts of human activities on Earth. Ocean acidification is in the danger zone.

A UCLA astronomer who leads planetary defense missions for NASA says avoiding asteroid impacts is “a problem we can absolutely solve.” ...

A swarm of spherical rovers, blown by the wind like tumbleweeds, could enable large-scale and low-cost exploration of the Martian surface, according to results presented at the Joint Meeting of the ...

Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals. The presence of iron-phosphate and iron-sulfide nodules suggests processes ...

A baby world just drifting through space without a star to call home has been caught in a record-smashing feeding frenzy.

Once tightly focused on those revolving around our sun, our understanding of planetary bodies has expanded significantly during the last 30 years to include in-depth studies of exoplanets. Despite ...

Unfortunately, many species of phytoplankton build shells and may struggle as the oceans relentlessly acidify. These organisms sequester loads of carbon and serve as a critical food source for small ...