Mercury may be shrinking even more than previously believed, according to new research.

The research could also influence the hunt for exomoons, which orbit planets outside our solar system.

Scientists developed a yeast-based material combining sand and gelatin that reached low-grade concrete strength while being ...

Australia is set to look noticeably larger on world maps after the United Nations General Assembly voted to ditch centuries ...

Billions of people ultimately depend on water originating in Himalayan snow and ice. At the same time, they are increasingly ...

The 2,400 people aboard would leave Earth knowing they would never see it again. Their children would be born in deep space.

Iraq's government says attacks on a key Saudi oil pipeline were launched from Iraqi territory, pledging to investigate ...

Picture a stone archway so tall it could tuck a 15-story building underneath, carved not by machines but by slow-dripping ...

The first thing worth clarifying is that Africa did not suddenly become bigger because of a United Nations vote. Africa has always ...

Natural climate feedbacks from permafrost, wetlands, wildfires, and inland waters could amplify global warming by 20 to 30 percent.

After several studies, researchers found that Gondwana was far bigger than they thought. A new analysis of more than 25,000 ...

The James Webb Space Telescope has caught both rings around Chariklo — the only known ring-bearing centaur — evolving in ...