Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

April marks the onset of intense tornado activity in the U.S., driven by warm, moist Gulf air clashing with cooler masses.

Scientists say they have uncovered new clues in Australia about when plate tectonics began on Earth, the only known planet to have the geological process.

Portland State University scientists are developing a soil treatment, using microbes, to combat soil liquefaction.

A new study from Harvard geoscientists reports the oldest direct evidence yet of plate motion, dating to 3.5 billion years ago. In a study published March 19 in Science, the researchers found that ...

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...

Dr. Valerie Cholet is a Professor of Kinesiology. She earned her doctorate at Penn State University and has taught in higher education for over 20 years. Her areas of specialization include Exercise ...