An expansive, glowing mass of marine life has been observed from space off the southern coast of Australia. NASA satellites ...

Acclaimed photographers Paul Nicklen and Cristina Mittermeier showcase a changing planet as part of the Photo London ...

For millennia, Pacific voyagers have relied on techniques such as these to reach thousands of islands, strewn throughout our planet’s largest ocean. They did so without Western instruments. Instead, ...

In photos 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 the ...