After a summer with plenty of outdoor play, the school year brings a major shift. Students suddenly spend more of their days indoors surrounded by other students. It’s usually only…

Each year, 2 million Americans injure their shoulder’s rotator cuff. That includes many teens, who may hurt their shoulder while participating in sports, such as baseball, volleyball and swimming. Many…

Waterpower may have given a big lift to the builders of Egypt’s first pyramid.   It was built for King Djoser, the first ruler of Egypt’s Third Dynasty. That was nearly…

A shooting star is normally a blink-and-you’ll-miss-it event. That space rock, or meteor, leaves a fiery trail of light as it zips through the atmosphere. Then it’s gone. But sometimes,…

Hurricanes don’t swirl ferociously just at Earth’s surface. The ionosphere — an upper layer of the atmosphere charged by solar radiation — also contains cyclones.  Scientists sometimes refer to these…

This is another in our series of stories identifying new technologies and actions that can slow climate change, reduce its impacts or help communities cope with a rapidly changing world. The ocean is…

Abstract What do you think of when you think of shipwrecks? Pirates? Lost treasure? Cute decorations for an aquarium? For sea animals, a shipwreck can also be a safe hiding…

You’re lying in bed at night, looking at the ceiling. Out of the corner of your eye, you catch sight of something — a shadow, or a dim light. When…

Abstract What good does an education do you? Research shows that it can lengthen your life expectancy! Studies from all over the world have shown this. People who receive more…

Archaeologists, take note. There may be brains hiding inside excavated human skulls. New data show that human brains can resist decay for at least 12,000 years. When scientists find ancient…