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

Learn how immersive dreaming may improve sleep quality by shaping how deeply and restfully we experience sleep.

Learn how a planet-forming disc around a young star reveals multiple planets taking shape at once.

Learn how snow flies use antifreeze proteins and generate heat to stay active in freezing temperatures.

Learn more about the correlation between human and penguin aging.

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

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

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

Learn how drone footage captured sperm whales head-butting for the first time, offering new insight into their behavior and ...

Learn how galactic archaeology uses chemical clues to uncover how galaxies formed and evolved over billions of years.

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

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