Water is essential for life. Find out why it’s important and how much you really need.

Learn more about a new tilefish species with red striped eyes, similar to San’s in Princess Mononoke.

Learn how environmental changes have humbled many of history’s most successful and dominant cultures.

The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

If you aren’t a good listener when you’re stressed, you aren’t alone. Mice aren’t either.