Life on Earth is tough as nails.

From the crushing, soulless depths of the ocean to the highest reaches of the atmosphere, from boiling hot springs to Antarctic wastes — even in the radioactive heart of Chernobyl, life thrives. It finds a way. It laughs in the face of adversity.

Turns out, that amazing tenacity is kind of our birthright as Earthlings. To understand why, you've got to go back to Snowball Earth.

Saturn's moon Enceladus. 720 million years ago, Earth's surface might have looked strikingly similar. Photo from NASA/JPL-Caltech/Space Science Institute.

Keep Reading Show less
Most Shared

If you follow "Game of Thrones," you know some scenes call for some pretty remote — not to mention freezing — locations.

I know, Jon Snow. I know. GIF via "Game of Thrones."

They look pretty majestic on screen, but one ice-cold location in particular looks even cooler in real life.

Keep Reading Show less
Most Shared
True
Expedia+

We all contain contradictions. It's part of what makes us human.

Walt Whitman wrote, in "Song of Myself":

"Do I contradict myself?
Very well then I contradict myself,
(I am large, I contain multitudes.)"

Keep Reading Show less
Most Shared