January 18, 2019, 8:22 a.m.
It's 30 percent larger than Muir Woods, with 47 percent more old-growth redwoods.
January 17, 2019, 8:16 a.m.
The massive particle accelerator, estimated to cost over $38 billion, could start operating by 2040.
January 15, 2019, 8:10 a.m.
See the stunning images captured by the ESA's Mars Express in this beautiful greatest hits montage.
January 5, 2019, 8:39 a.m.
These 25 images showcasing animals and landscapes are in the running for the People's Choice Award.
January 2, 2019, 11:25 a.m.
New Horizons makes history with the first-ever, up-close exploration of a Kuiper Belt space rock.
January 2, 2019, 10:16 a.m.
India is home to a colorful and large squirrel species known as the Indian giant squirrel.
January 1, 2019, 8:01 a.m.
Photographer Ossi Saarinen captures the intimate beauty of animals while showcasing Finland's serene landscape.
December 28, 2018, 8:21 a.m.
Spending time in nature has proven health benefits, and this habit will help you reap those positive rewards.
December 20, 2018, 9:15 a.m.
Plus, the fee-free days for wildlife refuges, national forests and more protected wilderness areas.