Earth Day is held on April 22 with this year’s being the 55th anniversary of the first in 1970. It began during a time of great public protest in this country due to the Vietnam War, the Nixon ...

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

NASA's Perseverance Rover Captures a Strange Rock With Hundreds of 'Martian Blueberries,' Baffles Team A lot of data is ...

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the ...