Monday's volcanic eruption killed at least 16 people, many of them tourists visiting White Island. Authorities have been trying to recover two more bodies, even under the threat of another eruption.

The old way to think about your dog's "human age" — the age in actual years times seven — is wrong. Researchers looked at aging on the molecular level.

The Princeton graduate student held by Iran for three years was released Saturday in exchange for Iranian scientist Massoud Soleimani, who had been held in the United States.

The massive lake has dried out because of water mismanagement. Photographer Maximilian Mann traveled to northwest Iran to document the disappearing body of water and the people who depend on it.

With lockdown drills now commonplace in public schools, experts question if they're doing more harm than good. "We don't light a fire in the hallway to practice fire drills," one professor tells NPR.

The president said the U.S. had been searching for Abu Bakr al-Baghdadi for years. Capturing or killing Baghdadi has been "the top national security priority" of the administration, Trump said Sunday.

A bull had a field day in Baltimore on Wednesday, spending three hours on the loose before succumbing to tranquilizers. It's the third bull to escape this year in Baltimore.

The Stena Impero had been detained by Iranian authorities since July over alleged maritime violations. The seizure was in apparent retaliation for the British seizure of an Iranian tanker.

Veterinarians have suicide rates of more than double that of the general population. One group is building an online community to give advice and help out when stress adds up.

More than 1,000 people had gathered at a hall in a Shiite neighborhood to celebrate a wedding. On Sunday, the Islamic State claimed responsibility for the attack.

Most famous for his Bob Dylan documentary Dont Look Back and Bill Clinton presidential campaign chronicle, The War Room, Pennebaker died of natural causes on Aug. 1.

Officials named those killed in the attack on Sunday morning; their ages range from 22 to 57. Among them is the suspect's sister. It was the second major mass shooting in the U.S. in under 24 hours.

The storm system has prompted tornado and flash flood warnings, and officials are keeping a close watch on New Orleans' levee system and infrastructure, which failed during Hurricane Katrina in 2005.

The multimillionaire financier has been taken into federal custody on allegations related to sex trafficking.

Iranian officials announced Sunday that the country would take its second step away from the 2015 nuclear deal by beginning to enrich uranium above permitted levels.

The U.S. Geological Survey reported the magnitude was 7.1. It's the biggest earthquake in the area in 20 years and follows a 6.4 magnitude earthquake Thursday.

President Trump greeted North Korean leader Kim Jong Un at the Demilitarized Zone that separates the two Koreas. He briefly stepped over into North Korea, a first for a sitting U.S. president.

The plane crashed on Oahu's North Shore on Friday evening, killing everyone on board, authorities said. NTSB records show the plane was damaged in a 2016 incident.

After Donald Trump's election, Dr. Ayaz Virji started giving talks to mostly white, Christian audiences in rural Minnesota to try to dispel misconceptions about Muslims. He faced a lot of backlash.

Nicole Rikard, Kristen Clifford, Erin Gibson and Melissa Swailes were all married to officers who killed themselves. They want to end the stigma of police asking for help when facing mental illness.