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Populations of frogs, salamanders and other amphibians are declining at an average rate of 3.7 percent each year, according to a U.S. Geological Survey study released this week.

People considering weight-loss surgery haven't had much evidence on long-term risks or benefits. A study finds lower death rates after surgery, even for people who were older and less healthy.

Kenyan runner Hyvon Ngetich didn't win the Austin Marathon, despite leading for most of the race. Now she's being celebrated for the way she crossed the finish line.

The Obama administration says the current system promotes conflicts of interest, leads to high fees and erodes returns on investment.

The photos on the site, titled "The Last Rhodesian," appear to be authentic and an unsigned text refers to the Trayvon Martin case and details the author's attitudes toward various ethnic groups.

Nearly 4 million babies were born last year. Preliminary data from the CDC show that the U.S. birth rate increased last year for the first time since 2007.

Saudi Arabia says the cease-fire will help get much-needed humanitarian aid into Yemen, but the offer is good only if Houthi rebels comply with the deal.

In 1995, Gedhun Choekyi Nyima was designated as the 11th Panchen Lama, Tibetan Buddhism's second-highest spiritual leader. He was promptly detained by Chinese authorities and never heard from again.

Meanwhile, Amtrak restored full service on the Northeast Corridor. Trains between Philadelphia and New York City had been halted for a week, after a derailment killed eight people.

A harsh winter and burgeoning trade deficit forced the economy to contract by 0.7 percent in the January-March period.