The U.S. acquired the rights to build and operate the Panama Canal in exchange for US$10 million and annual payments of $250,000. Later, the Torrijos-Carter Treaty in 1977 committed the U.S. to ...

We’ve all bought into the notion at least a little bit — that these mountains protect us from the worst nature has to dish ...

Snakes are among the most diverse and ecologically significant reptiles, inhabiting a wide range of environments worldwide.

Of all the climate challenges to afflict Australia ... In Victoria, an extremely dry six-month spell started in August. Forests became tinder-dry, leading to the disastrous Black Friday bushfires of ...

The almendro tree may have evolved to attract lightning, which helps clear more space for it to grow, according to new ...

It's tricky to predict precisely what the impacts of climate change will be, given the many variables involved. To predict ...

In the first few weeks of spring, a 50-degree-Fahrenheit (10-degree-Celsius) day might call for a light jacket or no ...

Extreme climate events such as heat waves, cold snaps, floods and dry spells have significant impacts on society. To examine whether such extremes have changed over time a variety of extreme climate ...