Mom’s voice holds a special place in kids’ brains. That changes for teens

Earth's atmosphere may be source of some lunar water

Jupiter's moon Io (which is about 0.28 Earths wide) has around 400 volcanoes, and over 130 are erupting at any given time. Only around 50 volcanoes erupt on Earth each YEAR.

Over 1 in 5 reptiles on the planet are endangered — especially those in forests | It's the most comprehensive survey of reptiles to date, and it shows we need urgent action.