Matt Damon portrays an astronaut who relies on science to survive on a hostile planet. Giles Keyte/EPKTV hide caption
Science
Wednesday
A surgical team at Sooam Biotech in Seoul, South Korea, injects cloned embryos into the uterus of an anesthetized dog. Rob Stein/NPR hide caption
Disgraced Scientist Clones Dogs, And Critics Question His Intent
Ken (left) and Henry were created using DNA plucked from a skin cell of Melvin, the beloved pet of Paula and Phillip Dupont of Lafayette, La. Edmund D. Fountain for NPR hide caption
Tuesday
The large British study, begun in 1958, tracked the diet, habits and emotional and physical health of thousands of people from childhood through midlife. iStockphoto hide caption
Childhood Stress May Prime Pump For Chronic Disease Later
NASA's Curiosity rover took dozens of images that together made a selfie in January on the Mount Sharp area of Mars. NASA/JPL-Caltech/MSSS via Getty Images hide caption
In 1954, Dr. Frederick C. Robbins, then chief of pediatrics and contagious diseases at Cleveland Metropolitan General Hospital, was one of three winners of that year's Nobel Prize in medicine. The scientists' work, which led to a vaccine against polio, was performed in human fetal cells. AP hide caption
Research On Fetal Tissue Draws Renewed Political, Scientific Scrutiny
Dry conditions in California have limited the amount of pollen and nectar bees can collect. Ezra David Romero/Valley Public Radio hide caption
Drought Is Driving Beekeepers And Their Hives From California
Monday
A worker pours a bucket of pesticide into a machine to be sprayed on almond trees at Del Bosque Farms Inc. in Firebaugh, Calif., on April 6, 2015. California and Washington already have adopted, through state regulation, many of the rules that the EPA now wants to put in place nationwide. David Paul Morris/Bloomberg/Getty Images hide caption
For several years, a satellite orbiting Mars has seen streaks flowing from Martian mountains during warm periods on the surface. Scientists have now confirmed that water is involved. NASA/JPL/University of Arizona hide caption
Scientists Confirm There's Water In The Dark Streaks On Mars
Putting the "moo" into super moon: the full moon rises behind a cow in Kansas last night, before a full lunar eclipse. Orlin Wagner/AP hide caption
ShellNo flotilla participants float near the Polar Pioneer oil drilling rig during demonstrations in May against the presence of the first of two Royal Dutch Shell oil rigs in the Port of Seattle. David Ryder/Getty Images hide caption
Sunday
Practicing resuscitation techniques on a mannequin is just the start of trauma training at the University of Virginia Medical Center in Charlottesville. Workers there also learn to take a moment together after every patient's death to silently reflect. Kara Lofton/WMRA hide caption