Learn why some animals never forget who has shared food with them or who has been stingy.

Discover the foods and supplements that can help keep your heart healthy.

Learn how violent solar storms shower Earth with radioactive atoms.

Learn how tweaks to existing depression and anxiety medicines may make them more effective for depression and anxiety — and ...

Check out why even with a nearly full moon, you may still be able to see this meteor shower.

Leveraging the food of tiny phytoplankton could trap carbon and sequester it to the ocean’s bottom.

Learn how scientists examined DNA to find out the duration of Neanderthal-human interbreeding and track down the Neanderthal ...

Learn more about the lymphatic system, and about the devices that drain the system when a blockage occurs.

It’s important to buy cinnamon from reputable dealers.

Learn why the achievements of Egypt, Babylon and Greece, though child’s play today, still stand as remarkable feats of ...

Learn how a species with shockingly long strides might have used its arms for a unique form of flight-like movement.

Learn why some of the most prominent ancient cities were built underground and which ones you can still see today.