Sandy and Lonnie Phillips have gone to the site of nearly every mass shooting since their daughter’s death to support people affected by the tragedies, drawing from their own personal experiences Source

A South African gold mine that goes two miles beneath the Earth’s surface holds far more than just precious metals Source

Belgian biologist Gaetan Borgonie found animal life 2 miles below the Earth’s surface. He believes if life can exist there, it might exist on Mars. Source

Some estimates put the number of assault-style rifles in circulation at around 15 to 20 million. Today, the head of the nation’s fourth-largest law enforcement agency, Los Angles County Sheriff Alex Villanueva, called for an end of the manufacture and sale of these types of weapons. Kris Van Cleave reports. Source

Donald Trump has been following developments in El Paso and Dayton. In a tweet, he called the two attacks “an unspeakable act of evil.” Nikole Killian reports. Source

At least three of the survivors injured in Saturday’s El Paso shooting remain in critical condition. Eleven wounded people were taken to Del Sol Medical Center. Janet Shamlian reports. Source

The El Paso attack is being investigated as a hate crime and domestic terrorism. The suspect is believed to have driven 10 hours from his home. David Begnaud reports. Source

After their daughter was killed in the 2012 Aurora, Colorado shooting, Sandy and Lonnie Phillips began traveling the country to help others who have lost loved ones to mass murder. 60 Minutes reports, Sunday Source

Somehow the correspondent keeps ending up reporting from underground. There’s just one problem: He can be claustrophobic Source

Want to order a pizza with your mind? Wear an exoskeleton to help you run? The MIT Media Lab may make it possible Source