Photographers capture the Boeing Starliner capsule atop an Atlas V rocket as it is rolled out to the launch pad at Space Launch Complex 41, Saturday, May 4, 2024, in Cape Canaveral, Fla. Terry Renna/AP hide caption
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NASA Administrator Bill Nelson at the space agency's headquarters in Washington, D.C., on Wednesday. Elizabeth Gillis/NPR hide caption
NASA Administrator Bill Nelson says U.S. is in a space race to the moon with China
This illustration depicts a washed-up Ichthyotitan severnensis carcass on the beach. Sergey Krasovskiy hide caption
'Stealing the past': A spat between twins leads to a theory of disputed memories
A survey shows that doctors have trouble taking full vacations from their high-stress jobs. Even when they do, they often still do work on their time off. Wolfgang Kaehler/LightRocket via Getty Images hide caption
Weliton Menário Costa (center) holds a laptop while surrounded by dancers for his music video, "Kangaroo Time." From left: Faux Née Phish (Caitlin Winter), Holly Hazlewood, and Marina de Andrade. Nic Vevers/ANU hide caption
'Dance Your Ph.D.' winner on science, art, and embracing his identity
For decades, all research in federally funded laboratories had to use only marijuana grown at a single facility located in Oxford, Mississippi. Brad Horrigan/Hartford Courant/Tribune News Service via Getty Images hide caption
Researchers in a rainforest in Indonesia spotted an injury on the face of a male orangutan they named Rakus. They were stunned to watch him treat his wound with a medicinal plant. Armas/Suaq Project hide caption
When hobbyist photographer Michael Sanchez snapped this picture of a blue rock-thrush subspecies on the coast of northern Oregon last week, he didn't know how rare the bird was until he posted it to social media. Michael Sanchez hide caption
The federal government says it has taken steps toward developing a vaccine to protect against bird flu should it become a threat to humans. skodonnell/Getty Images hide caption
Deer are expanding north. That could hurt some species like boreal caribou
Low-dose estrogen can be taken orally, but it's also now available in patches, gels and creams. svetikd/Getty Images hide caption
The medical community dates pregnancy to the first day of a woman's last period, even though fertilization generally happens two weeks after that. It's a long-standing practice but a confusing one. Nikola Stojadinovic/Getty Images hide caption
A Nazca booby in the Galápagos Islands incubates eggs with its webbed feet. Wolfgang Kaehler/LightRocket via Getty Images hide caption
For birds, siblinghood can be a matter of life or death
This illustration shows the Milky Way, our home galaxy. NASA/JPL-Caltech hide caption
The mysterious 'Great Attractor' pulling the Milky Way galaxy off course
The new guidelines were prompted by increased rates of breast cancer in women in their 40s. They recommend mammograms every other year, starting at age 40. izusek/Getty Images hide caption
This image shows a brain "assembloid" consisting of two connected brain "organoids." Scientists studying these structures have restored impaired brain cells in Timothy syndrome patients. Pasca lab, Stanford University hide caption
Scientists restore brain cells impaired by a rare genetic disorder
Climbing stairs is a good way to get quick bursts of aerobic exercise, says cardiologist Dr. Carlin Long. lingqi xie/Getty Images hide caption
Elevator or stairs? Your choice could boost longevity, study finds
A new version of the popular board game Catan, which hits shelves this summer, introduces energy production and pollution into the gameplay. Catan GmbH hide caption
How the new Catan board game can spark conversations on climate change
Menthol cigarettes are popular among Black and Latino smokers, and a Biden administration official cited civil rights as a reason the ban is being dropped. Mario Tama/Getty Images hide caption
Katie Krimitsos is among the majority of American women who have trouble getting healthy sleep, according to a new Gallup survey. Krimitsos launched a podcast called Sleep Meditation for Women to offer some help. Natalie Champa Jennings/Natalie Jennings, courtesy of Katie Krimitsos hide caption
Bird flu is spreading through U.S. dairy cattle. Scientists say the risk to people is minimal, but open questions remain, including how widespread the outbreak is and how the virus is spreading. DOUGLAS MAGNO/AFP via Getty Images hide caption