Titanic research dive reveals discovery, decay and new photos This summer, RMS Titanic, Inc. — the salvor-in-possession of the wreck — made its first unmanned dive to the wreck in 14 years. The team uncovered some rare finds — and losses. Scott Detrow
This metabolic brain boost revives memory in Alzheimer’s mice An experimental cancer drug that helps the brain turn glucose into energy was able to reverse memory loss in a mouse model of Alzheimer’s disease. Jon Hamilton
Too hot for trout: Why some anglers are rethinking their approach to fly fishing As Western Montana's blue-ribbon trout waters warm due to climate change, anglers are increasingly wrestling with the ethics of their sport. Nathan Rott
An empty Boeing Starliner is set to return next week, while its crew stays in space An empty Boeing Starliner is scheduled to return from the International Space Station in early September. It will fly home autonomously while its crew remains in space until February. Juliana Kim
A newly mapped underwater mountain could be home to 20 new species Researchers who led the 28-day expedition along the nearly 2-mile tall seamount hope the discoveries made will inform future policies safeguarding the understudied, high-seas region. Emma Bowman
FAA grounds SpaceX Falcon 9 rocket The action temporarily paused the Polaris Dawn mission, the private flight that was to include the first commercial spacewalk.
Shohei Ohtani's dog 'throws out' 1st pitch at Dodgers game To the delight of the sellout crowd, the star player’s pup Decoy “threw out” the ceremonial first pitch before a game at the Los Angeles stadium against the Baltimore Orioles. Emma Bowman
When birds build nests, they're also building a culture Nest-building isn’t just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions. Nell Greenfieldboyce
FAA grounds SpaceX ahead of historic Polaris Dawn commercial spacewalk The Federal Aviation Administration opened the investigation after a rocket booster toppled aboard a drone ship after it was returning from lofting SpaceX's Starlink internet satellites into space. Geoff Brumfiel
Matching dinosaur prints were found an ocean apart in Africa and South America A group of scientists say in new research that matching dinosaur tracks found in modern-day Brazil and Cameroon were made 120 million years ago in an area that once connected the two continents. Joe Hernandez