Discover what Earth looked like during the dawn of human life, from its landscapes to climate, and how it shaped early human survival and development.

In collaboration with a Japanese university, NASA researchers used supercomputers to predict when life will no longer be ...

For most of human history, the overall population is believed to have remained quite low. But since the early 1800s, the ...

Sterilizing robotic spacecraft to prevent contamination is one thing, but sterilizing human beings is impossible. We are ...

It might be surprising to hear planetary scientist Nina Lanza use the word “disappointing” in the same sentence as “Mars.” After all, the Los Alamos National Laboratory researcher has dedicated her ...

A major study by scientists from NASA and Japan’s Toho University has revealed a harsh truth about Earth’s distant future.

The loss of all marine life would disrupt carbon storage and accelerate climate change, highlighting the ocean’s role in ...