When rain or snow falls, much of it seeps into the soil. From there it flows down through porous rock, gravel and sand, forming underground streams. This groundwater will sometimes…

Chaco Canyon was once the heart of a lost civilization. People began building grand structures there around A.D. 850, in what is now northwest New Mexico. Within 300 years or…

Bad news, earthlings. Computer models of the solar system’s future reveal a new risk facing us all. The gravitational tug of a passing star could cause another planet to smack…

Quasi-satellite (noun, “QWA-see-SAT-el-lite”) A quasi-satellite is a space object — such as an asteroid — that appears to orbit a planet like a true satellite. However, the object lies beyond…

A new air-powered robot can practically walk right off the 3-D printer. The soft, 3-D printed robot doesn’t have any electronic parts. All it needs to move is an air…

Columbus, Ohio — Preserving threatened coral reefs is no longer enough. Now, we must help build new ones, say Ja Young Kim, 17, and Jiho Kong, 19. They’ve just designed…

The axolotl has feathery frills and a soft smile. Lots of people love these cute salamanders. Indeed, many serve as household pets and research subjects. But in their home range,…

Columbus, Ohio — Today’s menu special: giant water bugs (Lethocerus indicus). Some may balk at eating insects. But these meaty big boys — one of the biggest members of the…