National Endangered Species Day began in 2006 to raise awareness. The IUCN Red List includes over 41,000 endangered species.

saying they all showcase "the majesty of our wonderful planet." The British filmmaker, who served as guest curator for the competition, told USA TODAY that he was honored to share his selection ...

The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an altitude of 75 miles and a faint reddish hue 250 miles above ...

Astronomers have captured the sharpest, most detailed images yet of young solar systems where planets are just beginning to take shape. Exquisite snapshots released on Monday (April 28 ...

"This makes these unlit craters some of the coldest places in the Solar System, despite Mercury being the closest planet to the Sun ... breakdown of those images, or read about previous flybys ...