National Geographic is running a challenge for users to submit photos that "celebrate the beauty of the planet" for Earth Day ...

Disney celebrates Earth Month with the National Geographic-led ourHOME campaign, featuring three global premieres aroundEarth ...

The Greater Yellowstone Ecosystem and its rarefied assemblage of large free-ranging public wildlife has been likened to "a mini-American Serengeti." It is a national natural treasure that belongs to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A crew of four ...

to low-Earth orbit. Spectrum has yet to reach orbit, but Isar has already signed an agreement with the Norwegian Space Agency for the rocket's first commercial missions in which it will launch the ...

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Earth Day was first celebrated by Gaylord Nelson, who sought to unite the various environmental movements across the US. Earth Day History Nelson organised the maiden Earth Day with help from an ...

Green campaigners are calling on ministers to ramp up efforts to protect nature ahead of landmarks going dark for Earth Hour. Famed sites across the world, including the Palace of Westminster and ...