Alien life might look unlike anything we've ever seen on Earth. Trying to find evidence of these unknown organisms will require some creativity. When you purchase through links on our site, we may ...

The best quotes about the environment from John Muir, Jane Goodall and more. 50 Inspiring Quotes for Earth Day: 'The Environment Is Where We All Meet' Skip to main content ...

Life seems neither long nor short, and we take no more heed to save time or make haste than do the trees and stars. This is ...

NASA scientists have discovered an electric field encompassing Earth’s atmosphere that is as "fundamental" as gravity -- and could even give clues about possible life on other planets.

As life evolved on Earth, it used and created minerals for exoskeletons and habitats. The hundred minerals present when life first formed have grown to about 5,000 today.

Life on Earth won’t suddenly end—it will fizzle out with a slow, irreversible decline. But despite the long time span, researchers are urging the importance of preparation and adaptation for ...