NASA's Double Asteroid Redirection Test slammed a spacecraft into an asteroid, directly altering its path through space. Scientists are still studying the space rock to learn more.
Researchers have found evidence of horseback riding in skeletal remains of people who lived about 5,000 years ago, adding to a body of research on when people first started using horses to get around.
Shigella causes shigellosis, an inflammatory diarrhea. The extensively drug-resistant strain is relatively uncommon overall, but it's being seen in more cases among adults.
New research suggests that vocal fry among toothed whales is what gives them the ability to echolocate, hunting down their prey with the loudest sounds produced by any animal on the planet.
China has put new focus on airships hovering in a part of the sky just before outer space. Although Beijing says they're scientific, analysts say the data helps the country develop advanced weapons.
Scientists have confirmed that toothed whales use vocal registers to produce a variety of sounds – something previously confirmed only in humans and crows.
Retired Navy commander Joe Dituri is attempting to break the world record for living underwater. NPR's Juana Summers checks in with him on his second day.
The corridor is perched above the ancient wonder's main entrance, authorities said. The function of the chamber is unknown, although such corridors often lead to further archaeological discoveries.
Treating cholera has been a passion for Bangladeshi scientist Firdausi Qadri. She reflects on her career and inspirations, cholera's scourge, as well as successes in combating the disease.