Learn more about what caused the decades-old spy satellite to break apart and why its debris could pose a threat to other ...

Meriwether Lewis died in October 1809. Most researchers claim that he took his own life, but some debate that he could have been murdered.

Learn about three symbolic glyphs painted in a cave in Mexico where people once visited to perform fire rituals for warriors.

Learn how mosaic-floored banquet halls and stone benches are strengthening the case for a school where Aristotle may have ...

Learn how H. pylori, HPV, hepatitis B and C, and the virus behind mono can lead to cancer, and how vaccines and treatment can ...

Learn more about the shifts in weather that may arise thanks to a powerful El Niño this winter and what the impacts on North ...

Learn how reseachers are working to determine if a twist in the universe's oldest light is evidence of new physics or a ...

Learn how an eruption of the Yellowstone supervolcano would affect North America, and why one isn't likely to happen in the ...

Learn how slower digestion mat change what astronauts’ gut bacteria feed on during a long stay in orbit.

Learn how mineral crusts, broken bones, and possible rodent tooth marks helped researchers piece together what happened to ...

Learn how an amateur archaeologist discovered the fifth-largest collection of Hadrian-era coins ​in the world.

Learn more about a buried volcanic complex and what it tells us about the moon's past and the possible formation of its ...