In 1997, NASA began launching satellites that could constantly record life on our planet. It's now released a video of how Earth grew in real time.
It was once thought that only humans can warn others about potential dangers. But researchers say chimps also have a way of doing that.
In 1992, scientists warned that humans had to change or the Earth would become unlivable. What's changed 25 years later?
Transplanting foliage from one place to another isn't the most novel idea, but we can now move trees that weigh 800,000 pounds.
To offset carbon emissions and slow deforestation, researchers paid landowners in Uganda to stop removing trees.
Earth loses a lot more trees than it gains, so startup companies are testing if the devices could be a fast, cheap way to aid reforestation efforts.
The Republican-controlled House has approved a measure to scuttle an Obama-era regulation that prevents coal mining debris from being dumped…
More than five million acres of trees have been destroyed by beetles in Colorado.
An Evergreen resident is fed up with illegal dumping in his small mountain community.
Hoping to camp or backpack over the Memorial Day weekend in Colorado?
Polish authorities say they plan to log 6.4 million cubic feet of an ancient European forest to control a devastating bark beetle infestation.
A hike to Forgotten Valley at Golden Gate Canyon State Park will take you back in time.