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Scientists have long wondered about how the potato's genetic lineage came to be. Now they know: The plants are a cross between tomatoes and a plant known as Etuberosum.

The anthology of African-American nature poetry features work by contemporary writers, and writers like 18th century poet Phillis Wheatley. Camille T. Dungy, the editor of the collection, says the poems offer a different view of the natural world.

Natural gas prices are at seven-year highs in the U.S. and record highs in Europe and Asia with cold winter weather yet to arrive.

The "H is for Hawk" author talks about her new essay collection.

How many trees are there in the world? Some scientists are working on a new estimate.

The Trump administration seeks to roll back and delay dozens of regulations across government, including one to lower smog-creating ozone. Environmental groups are challenging the EPA in court.

Several news stories recently celebrated a new study suggesting global warming might enhance the taste of the beloved sweet. Sadly, that's not what it found at all, says the lead researcher.

While most states are embracing green energy plans, Ohio appears to be doing the opposite. A new law props up struggling coal plants and trims support for renewable energy forms.

Polls show most traditional farmers don't believe they contribute to climate change. Two farmers in Illinois started a soil protection program that has myriad climate benefits.

It appears journalist Dom Phillips and researcher Bruno Pereira were killed reporting in the Amazon. Guardian environmental editor John Watts reflects on their work and why the region is so perilous.