Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
In this well-edited video, a baby squirrel needs a little help following its parent over a high wall and gets it in the form of a bystander's well-placed backpack. Easily the most adorable animal video you've seen in a while.
Aid shipments and search and rescue personnel pour into Haiti in the aftermath of the earthquake.
When you spend weeks riding around in single digit temperatures, a break into the 40's feels like it's summertime.
Video: This monument faces unique security and pollution problems arising from illegal immigration across its terrain
Elysia chlorotica is the first animal to make chlorophyll like a plant does.
Video: President Obama provides an update on relief operations and pledges full U.S. support in helping Haiti respond to the devastating earthquake.
Video: The Late Night host takes a break from comedy to ask his viewers to help with relief efforts in Haiti.
In a radical move to eliminate pests and save local wildlife, pristine Lord Howe Island will be blitzed from the air with poison.
After a devastating earthquake, the poor island nation needs our help. Donate here.
Video: President Obama extended "the deep condolences and unwavering support" of the American people to Haiti today, and pledged "full support" for rescue and humanitarian assistance.
Video: NBC Nightly News' anchor offers his initial impressions of the devastation in Haiti immediately after arriving in Port au Prince on Wednesday.
After weeks of absence, sea lions are starting to climb back onto the docks at San Francisco's Pier 39 and SF Weekly thinks they know why they left in the first place.
Video: 7.0-magnitude earthquake cripples Haiti's capital of Port-au-Prince, leaving hundreds dead and injured.
A 7.0-magnitude earthquake devastates the island country of Haiti.
Video: A major earthquake rocks Haiti, with the epicenter reported to be close to the capital of Port-Au-Prince. NBC's Ron Allen reports.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.