The European spacecraft known as Gaia has unveiled this new view of the Milky Way. ESA/Gaia/DPAC hide caption

By some estimates, nearly half of the people confined in U.S. jails and prisons have a mental illness, notes Alisa Roth, author of Insane: America's Criminal Treatment of Mental Illness. Darrin Klimek/Getty Images hide caption

Garret Morgan (center) is training as an ironworker near Seattle and already has a job that pays him $50,000 a year. Sy Bean/The Hechinger Report hide caption

Scientists placed two clusters of cultured forebrain cells side by side (each cluster the size of a head of a pin) in the lab. Within days, the minibrains had fused and particular neurons (in green) migrated from the left side to the right side, as groups of cells do in a real brain. Courtesy of Pasca lab/Stanford University hide caption

Haitham Dalati, left, and his wife Shiyam Daghestani, outside the offices of Integrated Refugee & Immigrant Services in New Haven, Conn. Joel Rose/NPR hide caption

Allan Monga, a Deering High School junior, won Poetry Out Loud contests at school and at the state level. He was initially denied entry to the national competition because he's an asylum seeker and not a U.S. citizen. Portland Press Herald/Press Herald via Getty Images hide caption

Nicolas Talbott outside the barn on his family's family farm in Gavers, Ohio. Martha Bebinger/WBUR hide caption

Secretary of State-designate Mike Pompeo smiles after his introduction before the Senate Foreign Relations Committee during a confirmation hearing on April 12 on Capitol Hill. Jacquelyn Martin/AP hide caption

The U.S. Army's Autonomous Remote Engagement System is mounted on the Picatinny Lightweight Remote Weapon System and coupled with an M240B machine gun. It's part of a program that reduces the time to identify targets using automatic target detection and user-specified target selection. U.S. Army hide caption

Amy Schumer stars as a woman who acquires a boost of self-confidence after a bump on the head in I Feel Pretty. Mark Schafer/STXfilms hide caption

A man rides a LimeBike in Washington, DC. AFP/Getty Images hide caption