Since the beginning of the Industrial Revolution, atmospheric carbon dioxide levels have increased by nearly 50 percent.

A trip to Antarctica is out of this world. For an even more otherworldly experience, add this thrilling, underwater activity ...

Scientists are working to shed new light on an enduring climate mystery—one that, if solved, could help them make more ...

Uncovering the collapse of the British and Irish ice sheet could help predict what's in store for Antarctica. View on ...

The US president's return to the White House has provided no shortage of landmark moments, encounters and executive orders.