News
- Physics
Tight deadline
Light behaves like waves or particles, but it doesn’t know what it will do in advance.
- Space
Many stars, many planets
A new study reveals that as many as 30 percent of sunlike stars have close-in, relatively small planets — only 4 to 30 times as heavy as Earth.
- Anthropology
They’re fake, Indy!
Scientists find that two rock crystal skulls often attributed to pre-Columbian societies are really modern phonies.
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- Life
Rock-hard evidence
Newly discovered dinosaur tracks, the first ever reported from the Arabia Peninsula, indicate that a part of the now-arid region was teeming with dinosaurs about 150 million years ago.
