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To prevent flooding, communities often raise levees next to rivers higher and higher. Now, a new approach is about backing off, moving levees away from rivers to create floodplains.

Bats, birds and tourists love a good cave. And so do viruses. Scientists say this mixture could trigger a deadly outbreak.

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has fended off the light glow that washes out starry nights.

A confrontation between religious freedom and public safety has reached the Supreme Court of Texas. The battle is over access to a site where Native Americans have been holding spiritual ceremonies for centuries.

Scientists have found a way to sample DNA out of the air on a large scale — making it possible to one day track the health and well being of all kinds of species around the world.

A team of scientists argue that new vaccines and treatments wouldn't be critical if humans could figure out how to stop viruses from spilling over from animals in the first place.

NPR's Peter Overby reports on information released this week by the Securities and Exchange Commission. That report said a 1993 stock trade that made more than 37 thousand dollars' profit in one day for New York Senator Alfonse D'Amato broke the rules of the brokerage firm that carried out the transaction. The report does not accuse D'Amato of any wrongdoing, but it questions the motive of the firm in giving him preferential treatment. D'Amato says the report is an old story..the profit was first reported in 1994 financial disclosure papers.

A Senate Intelligence Committee report blames the CIA for giving the Bush administration bad information leading to the war in Iraq. The bipartisan panel concluded that assertions about stockpiles of weapons of mass destruction were flatly wrong. The report concluded that there was no evidence that the administration pressured agencies to produce false reports. NPR's David Welna reports.

Nations that are heavily dependent on tourism are trying to walk a fine line between the need to reopen their beaches and resorts and the risk of importing more cases of the coronavirus.

In South Texas, there's skepticism that President Trump will get the 450 miles of wall he wants by Election Day. Construction is behind schedule because of how difficult it is to take private land.