Barron will succeed current UCAR President Antonio Busalacchi, who will transition to president emeritus and special advisor to the interim president before retiring on June 4.

MLSO is resuming normal operations just in time to support NASA’s Artemis II mission to the moon by sending advance warnings should the observatory’s main coronagraph detect potentially dangerous space weather.

On March 13, Pieternel Levelt, an associate director of the U.S. National Science Foundation National Center for Atmospheric Research (NSF NCAR), received the 2026 Snellius Medal. The Snellius medal is a prestigious award that is only given once every ten years by the Dutch Society for the Promotion of Natural Sciences, Medicine, and Surgery.

UCAR today filed a lawsuit in the United States District Court for the District of Colorado against the U.S. National Science Foundation (NSF); the National Oceanic and Atmospheric Administration (NOAA); the United States Department of Commerce (DOC); the United States Office of Management and Budget (OMB); and their respective directors in their official capacity.

Levelt leads NSF NCAR’s Atmospheric Chemistry Observations and Modeling Laboratory (ACOM). As a foreign member, she joins a distinguished group of international scholars and societal leaders chosen for their outstanding contributions to science and their commitment to the society’s mission of "advancing science and serving society."