From nagging guilt, a great idea was born

April 22, 2019, 8:38 p.m. by Bryan Nelson

Findings suggest that people knew about magnetism more than 2,000 years ago.

April 22, 2019, 5:08 p.m. by Michael d'Estries

The private space race to send humans to the ISS and beyond is about to enter a new nail-biting phase.

April 22, 2019, 3:54 p.m. by Christian Cotroneo

Here's how to start the conversation at home.

April 22, 2019, 3:13 p.m. by Ben Bolton

Dolphins were once thought to be loners, but video proves otherwise.

April 22, 2019, 1:42 p.m. by Tom Oder

Whether you need extra protection for your garden or your skin, these herbs and flowers can help shoo away pests.

April 22, 2019, 1:35 p.m. by Melissa Breyer

New research finds that even small moments of activity can help you meet the weekly requirement for exercise.

April 22, 2019, 12:06 p.m. by Lloyd Alter

Climate activists of all ages are demanding change now.

April 22, 2019, 10:13 a.m. by Mary Jo DiLonardo

The flu vaccine is your best weapon against the flu this year.

April 22, 2019, 9:32 a.m. by Christian Cotroneo

They were tender lovers when they weren't eating each other.

April 22, 2019, 8:25 a.m. by Mary Jo DiLonardo

Safety in numbers protects the community from contagious diseases.

April 21, 2019, 8:47 p.m. by Russell McLendon

Our planet is now passing through ancient debris left by Comet Thatcher, which hasn't visited the inner solar system since 1861.

April 20, 2019, 9:02 a.m. by Mary Jo DiLonardo

Geoparks use an area's geological heritage to draw attention to key environmental issues.