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Charles Darwin is known as the father of evolution. But another British naturalist, Alfred Russel Wallace, played a major role in developing the theory of natural selection before fading into obscurity. A trip to what's now Sulawesi in Indonesia, and the unique animals he found there, helped form his seminal ideas.

NPR's Ari Shapiro speaks with Sen. Jon Tester, D-Mont., about why the Senate confirmation hearing for President Trump's nominee to lead the Department of Veterans Affairs, Ronny Jackson, has been delayed.

The insects were created, using CRISPR, to carry a powerful "gene drive." The mosquitoes could provide a potent weapon against malaria, but they raise fears about unpredictable environmental effects.

The Argentine black and white tegu is one of the newest, biggest threats to Florida’s natural wildlife. The large, invasive lizard was first noticed in…

Some advocates say autism-only schools can be life-changing for autistic kids who struggle in traditional classrooms. Others say segregating kids with autism carries its own problems.

Pope Francis' upcoming visit to the U.S. has American Catholics excited — but they aren't the only ones. The pope's statements on the environment and social issues have appealed to non-Catholics, too.

Owner Dan Snyder and the NFL were among those sued by the District of Columbia, accused of lying about an inquiry into sexual misconduct and a persistently hostile work environment within the team.

President Obama has rejected the application to complete the Keystone XL pipeline. Bruce Huber, professor of energy law at the University of Notre Dame, talks about the Keystone pipeline decision.

Volunteers recently planted 10,000 red mangroves along North Spreader Canal in Lee County. Biologists are concerned the canal’s bank is eroding. That’s…

Scott Pruitt is out as head of Environmental Protection Agency after a string of scandals. NPR's Mary Louise Kelly speaks with Christine Todd Whitman, former EPA head under President George W. Bush.