The U.S. confirms its first human case of New World screwworm. What is it? U.S. officials confirmed a case of the flesh-eating parasite in a person who traveled from El Salvador. Screwworm typically affects cattle in South America, but has spread north in recent years. Rachel Treisman
These fish may feel pleasure while being groomed by other fish An experiment with threadfin butterflyfish finds that these fish may experience pleasure while being cleaned by bluestreak cleaner wrasse — suggesting this capacity goes far back in animal evolution. Ari Daniel
SpaceX postpones 10th test launch of massive Starship rocket SpaceX wants to put the two-stage rocket's massive booster through its paces. On Sunday, it postponed the launch "to troubleshoot an issue with ground systems." Nell Greenfieldboyce
The U.S. wants to mine the deep sea for rare minerals. Science shows what's at stake Some countries, including the U.S., want to mine the seafloor for rare earth elements used in smartphones and electric cars. But other nations are concerned about the environmental impact. Emily Kwong
Supreme Court allows NIH to stop making nearly $800M in research grants for now But the court, in its emergency-docket order, left in place by a 5-4 order a lower court ruling that threw out National Institutes of Health memos that enforced the administration's policies. Nina Totenberg
A new study challenges what we know about how amputation alters the human brain Even years after a person has lost an arm, the brain faithfully maintains the circuits that once controlled the missing limb. Jon Hamilton
Artificial light has essentially lengthened birds' day Millions of audio recordings of hundreds of bird species have revealed that artificial light is making the birds wake up earlier and go to bed later. Nell Greenfieldboyce
New study raises questions about effectiveness of wolf hunting as a tool to help ranchers One of the goals of controversial wolf hunts in the Western U.S. is to help reduce the burden on ranchers, who lose livestock to wolves every year. A new study finds that those hunts have had a measurable, but small effect on livestock depredations. Nathan Rott
This electric brain implant could help stroke victims recover. The first patient: A Seattle-area mechanic Neurosurgeons and engineers at the University of Washington School of Medicine reached a milestone this summer, implanting a device inside the skull of a stroke victim that they believe can help him recover movement in his arm and hand. Stephen Howie
The transitions of aging: How parents and adult children can adjust As people age, they may be surprised to find that younger folks don't understand what they're going through, but adult children or caretakers can do a lot to help older people adjust to a new reality. Ashley Milne-Tyte