The sun is midway through its life of fusion. It's about 5 billion years old, and though its life is far from over, it will ...
A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...
To date, about 90% of fish resources worldwide have already reached their sustainable fishery limit. Meanwhile, intensive ...