Earth Day is an annual global event on April 22 that celebrates Earth and raises public awareness about the environment.
The Whoop 4.0 provides a fresh take on the fitness tracker, and keen athletes will approve of the redesign
The five naked-eye planets in the solar system will line up across the predawn sky this spring and summer. Here's how to watch.
Hundreds of ancient stone jars discovered on hillsides in northeast India may be linked to mysterious stone jars in northern Laos, about 800 miles away, according to archaeologists.