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.
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.
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.
The CDC unit that dramatically reduced Black Lung Disease among coal miners has been fired in Trump's sweeping overhaul of health agencies. Mining communities must now grapple with its disappearance.
NPR's Ari Shapiro speaks with Caitlin Rivers of Johns Hopkins Bloomberg School of Public Health about long-term implications of measles outbreaks in West Texas, New Mexico and a dozen other states.
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.
The CDC teams that supported local sexual assault prevention groups were 'wiped out' in RFK Jr.'s overhaul of the Department of Health and Human Services.
Later this year, astronomers will start filming an unprecedented 10-year movie of the southern sky, using a brand-new and super-powerful telescope facility in Chile.