Sep. 29, 2025 — Scientists have confirmed that the Atlas blue butterfly carries the most chromosomes of any animal, with 229 pairs. Unlike duplication, its chromosomes split apart, reshaping its ...

NASA's Interstellar Mapping and Acceleration Probe (IMAP) launched atop a SpaceX Falcon 9 rocket on Sept. 24 to study the solar wind and space weather. NASA's IMAP mission and two other spacecraft ...