Masked and unmasked people make their way through Grand Central Market in Los Angeles, California on June 29, 2021 as World Health Organization (WHO) urges fully vaccinated people to continue wearing masks with the rapid spread of the Delta variant. Frederic J. Brown/AFP via Getty Images hide caption
Science
Wednesday
A paramedic with Falck Northwest ambulances treats a man experiencing heat exposure during a heat wave in Salem, Ore. Nathan Howard/AP hide caption
Tuesday
An artistic image of what happens when a monstrous black hole collides with — and gulps down — a neutron star the size of a large city. Carl Knox/OzGrav/Swinburne hide caption
When A City-Size Star Becomes A Black Hole's Lunch, The Universe Roils
The process for investigating the Champlain Towers South collapse will involve trying to reconstruct parts of the building and look for how the critical pieces failed, structural engineering consultant John Pistorino says. Joe Raedle/Getty Images hide caption
A Structural Engineer Explains How The Florida Condo Collapse Will Be Investigated
Timothy Dominique, 62, lives in a donated RV parked next door to the family home where he was staying when Hurricane Laura hit Lake Charles last year. He says he received nothing from FEMA because he does not own the home and didn't have a formal rental agreement. Ryan Kellman/NPR hide caption
Monday
Correlation, Not Causation: Brood X Cicadas And Regional Bird Deaths
A computer-enhanced image of the HIV virus. Callista Images/Getty Images/Image Source hide caption
Protecting The Immuno-Compromised Against COVID Could Be Key To Ending The Pandemic
Friday
How coastal conservation can save marine life and fishing practices
This photomicrograph depicts Leishmania donovani parasites contained within a canine bone marrow cell. One of the more dangerous of 20 different species of Leishmania, L. donovani is endemic to parts of India, Africa, and South-West Asia. Dr. Francis W. Chandler/CDC hide caption
A doctor reviews a PET brain scan at Banner Alzheimer's Institute in Phoenix. The drug company Biogen Inc. says it will seek federal approval for a medicine to treat early Alzheimer's disease. The announcement was a surprise because the company stopped two studies of aducanumab in 2019 after partial results suggested it was not working. Matt York/AP hide caption