Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
The phenomenon is often talked about but rarely seen, so is it real?
3 intensive Earth forces helped make Greenland into the landscape it is today.
From flamingos to giant trees, rocky shores to exploding volcanoes, these are some of America's greatest hits.
Not only will researchers study the effects of when fans get excited, but they'll try a 'Early Football Rowdiness Warnings' to anticipate when fans will rattle the stadium.
Melbourne-based photographer Emma Phillips describes the series as 'a poetic exploration of and tribute to Australia's monolithic landscape.'
These deciduous conifers have their name for a good reason.
A new study suggests that the people of Easter Island were suffering before Europeans arrived.
One of the best parts about flying is peering out the porthole-like windows and taking in the expanse of land or water beneath you.
The vivid gold of sunrise lights up a calm glacier-blue lake.
Underwater volcanoes released 'reduced iron' into the ocean, a form of iron that has proven toxic to certain oxygen-generating ocean microbes.
The world's first DNA databank of all living things will be built in Russia.
As we brace ourselves for New Year's Eve fireworks displays all over the world, let's take a moment to appreciate Mother Nature's spectacular light show.
A photograph can becomes so much more powerful when the subject is simplified.
Samples from the iconic 'sediment trap' point to a dry shift in the intertropical convergence zone, a weather system that normally unleashed plenty of rain.
From frozen waterfalls to branches bent with snow, these gorgeous photos from members of our Flickr group will make you want to bundle up and head outside.