Sticks found in a cave that date back 12,000 years and other archaeological evidence show how humans have long viewed the ...
If you like the smell of spring roses, the sounds of summer birdsong, and the colors of fall foliage, you have the stabilization of the ozone layer to thank for it. Located in the stratosphere, where ...
NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...
Around 370 million years ago, Earth gradually descended into the longest lived and probably the most intense ice age ...
Researchers at the Technical University of Munich developed iLand, a state-of-the-art computer model that can predict how ...
Analysis of 6,000-year-old trees that melted out of a Beartooth Mountain ice patch provide a greater understanding of how ...