PRESat Stories

NASA and its international partners are making progress on Gateway – the lunar space station that will orbit the Moon as a centerpiece of the agency’s Moon to Mars architecture.

Earth is immersed in material streaming from the Sun. This stream, called the solar wind, is washing over our planet, causing breathtaking auroras, impacting satellites and astronauts in space, and even affecting ground-based infrastructure. NASA’s PUNCH (Polarimeter to Unify the…

The sparkling spiral galaxy gracing this NASA/ESA Hubble Space Telescope image is UGC 5460, which sits about 60 million light-years away in the constellation Ursa Major. This image combines four different wavelengths of light to reveal UGC 5460’s central bar…
Earth planning date: Tuesday, Feb. 18, 2025 During today’s unusual-for-MSL Tuesday planning day (because of the U.S. holiday on Monday), we planned activities under new winter heating constraints. Operating Curiosity on Mars requires attention to a number of factors —…

Jorge Chong is helping shape the future of human spaceflight, one calculation at a time. As a project manager for TRON (Tracking and Ranging via Optical Navigation) and a guidance, navigation, and control (GNC) test engineer in the Aeroscience and…

Before Apollo astronauts set foot upon the Moon, much remained unknown about the lunar surface. While most scientists believed the Moon had a solid surface that would support astronauts and their landing craft, a few believed a deep layer of…

With two months to go before flight, the Apollo 13 prime crew of James Lovell, Thomas Mattingly, Fred Haise, and backups John Young, John Swigert, and Charles Duke continued to train for the 10-day mission planned to land in the…

Jeff Dozier, an environmental scientist, snow hydrologist, researcher, academic – and former Earth Observing System Project Scientist – died on November 17, 2024. Jeff’s research focused on snow hydrology and biogeochemistry in mountain environments and addressed the role of stored…

Berrien Moore III, Dean of the College of Atmospheric and Geographic Sciences at the University of Oklahoma (OU), director of the National Weather Center in Norman, OK, and Vice President for Weather and Climate Programs, died on December 17, 2024. Berrien…

Pierre Morel, the first director of the World Climate Research Programme (WCRP) and founding member of WCRP’s Global Energy and Water Exchanges (GEWEX) Core project, died on December 10, 2024. Pierre began his research as a theoretical physicist. His doctoral…