New method reveals marine microbes' outsized role in carbon cycle

Researchers develop new 'raspberry-shaped' nanoparticle for precision drug delivery

Cryptic New Species of Rhinoceros Snake Identified in China

More than a year and a half after its first flight on Mars, the Ingenuity helicopter has set a new record. The little 4-pound (1.8-kilogram) chopper completed its 35th flight on December 3 and reached a new altitude record of 46 feet (14 meters).