Remains of this key transitional species date to a mysterious "black hole" in the fossil record.

Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it went dormant over the winter, it could appear again this summer.

Learn how a new study uses 3D printing to better understand some of insect evolution’s greatest illusions.

Learn about the 430,000-year-old stone tools and techniques that allowed ancient humans to butcher elephant meat for a hefty ...