Learn how microgravity could affect sperm, fertilization, and embryonic development in space.

Learn how a fast-moving meteor exploded over Texas and where NASA says fragments may have landed near Houston.

Learn more about the ancient life that used to inhabit Mammoth Cave, and how the cave conditions were just right to help ...

Learn how Neanderthals in Europe suffered a loss of genetic diversity during the Ice Age, causing a single lineage to take ...

Learn how fossils and high-resolution imaging revealed that some Triassic fish may have used a lung-like organ to detect ...

Learn how, after one of the world’s most sensitive neutrino detectors discovered mysterious radio pulses in Antarctica, ...

For centuries, we’ve explored this question, sometimes with very biased answers. Find out what modern research says about ...

Learn how ancient oxygen levels in the Paleozoic era were linked to giant insect size, and why that theory is now being ...

Learn more about the Kepler-51 star system and some of the ''oddball" planets that reside there.

Discover how a reexamination of the history of the Battle of Hastings revealed that King Harold likely didn't walk there.

Learn how a new mining bee species in Texas depends entirely on the cenizo (Texas Ranger) plant for survival.