Pain pathway in a dish could aid search for new analgesic drugs Scientists have recreated a pathway that senses pain, using clusters of human nerve cells grown in a dish. Jon Hamilton
Doggles and dog booties: Anchorage residents prep pets for volcanic explosion Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ash clouds could reach the state's biggest city. Nathaniel Herz
Many older people love slow strength training. Does it work? A Martinez visits a slow strength gym and goes toe-to-toe with a senior weightlifter to see if this type of exercise lives up to the hype. A Martínez
Scientists recreate a pathway that senses pain, using nerve cells grown in a dish Scientists created a model of the human pain pathway in a dish by connecting four separate brain organoids. The feat should help them understand sensory disorders like those affecting pain perception. Jon Hamilton
20 musicians who should get to go to space before Katy Perry On April 14, Blue Origin plans to launch a space flight with a crew that includes the singer behind the 2010 hit "Firework." But we can think of many other artists who deserve to be among the stars. Neda Ulaby
A look at nuclear energy's micro future Companies are developing nuclear reactor alternatives that can be transported on the back of a semi-truck.
If Planet Nine is out there, this telescope might actually find it A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system. Nell Greenfieldboyce
NOAA contracts are being reviewed one by one. It's throwing the agency into chaos NOAA relies on hundreds of contracts to keep the agency running. The new commerce secretary is reviewing many of them individually, causing disruptions to many normal operations within the agency. Alejandra Borunda
Four critically endangered Galápagos tortoises hatch at the Philadelphia Zoo The birth of tortoises native to Santa Cruz Island in the Galápagos increases their U.S. population from 44 to 48. A few thousand remain globally, according to estimates by experts. Ayana Archie
A biotech company says it has bred three pups with traits of the extinct dire wolf Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves recently featured prominently in the HBO series Game of Thrones. Joe Hernandez
