From spherical boulders and circular radio telescope dishes to the curve of our blue marble, distant Mars, and far-away spiral galaxies, the universe comes back to circles.

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from ...

Marine scientists have discovered that what was once thought to be a single sea slug species is actually at least 75 distinct ...

The team designed a robot to test their results and found that the most efficient movement closely matched those of fish that ...

A fossil mammal tooth smaller than a grain of rice does not announce itself loudly. It must be hard won from sediment and ...

Eukaryote fossils can be found around the world in rocks dating back at least 1.5 billion years. The fossils of the Northern ...

From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these animals evolved from earlier, simpler ancestors is one of the most exciting ...

Anthropologist and author David Samson examines how the story of human sleep unfolded in his new book, “The Sleepless Ape.” ...

Cumulative culture -- the accumulation of technological modifications and improvements over generations -- allowed humans to adapt to a diversity of environments and challenges. But, it is unclear ...

You have reached your maximum number of saved items. Remove items from your saved list to add more. They stand tall but tread lightly on soft padded feet that are far more gentle on the land than hard ...

Educational technology isn’t new, but meaningfully integrating tech in a modern learning environment can be a significant challenge for educators today. In the 21st century, it can feel like advanced ...

United States President Donald Trump has discussed the Strait of Hormuz and the US-Israel war on Iran during his meeting with China’s Xi Jinping as negotiations to end the conflict and open the ...