Capturing the auroral activity on the ice giant has been long in coming, even though similar areas of trapped solar energetic particles have been successfully imaged in the atmospheres of Jupiter ...
A strange cast of ferocious predators and giant herbivores lived here during the ice age. Graham Duggan Most archeologists agree that human beings reached North America 14,000 years ago ...
Changes in Earth's tilt relative to the sun have governed the movements of giant ice sheets over the past 800,000 years, triggering the start and end of eight ice ages, new research suggests.
For the hundreds of millions of people who live along the world's coasts, the scariest sea-level-rise scenario is the collapse of ice sheets. Sea levels are already rising rapidly, threatening to ...