A new look at cuts on a giant kangaroo bone reveal First Peoples as fossil collectors, not hunters who helped drive species extinct, some scientists argue.

At an effective temperature of 13 million kelvins, the jiggling glass sphere could help scientists understand physics at the microscale.

Using a scratch-and-sniff test, researchers discovered that smell loss after COVID-19 may linger for more than two years.

Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion.

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While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

Protein is having a moment. But even if most people are eating enough protein, studies suggest they may not be eating the right mix.

The global die-off of coral reefs signals a critical shift in Earth’s climate system with global environmental consequences along with economic ones.

Blazes sparked in wild lands are devastating communities worldwide. The only way to protect them, researchers say, is to re-engineer them.

By weaving Kevlar or polyethylene nanofibers into standard neoprene in wetsuits, researchers found ways to limit injury during rare encounters with sharks.

Normal cellular processes in living things — from germinating plants to our own cells — create biophotons, though escaping light isn’t visible to us.

Sensor data reveal greater noctule bats chasing, catching and chewing on birds during high-altitude, nighttime hunts.