NASA Researchers Track Slowly Splitting ‘Dent’ in Earth’s Magnetic Field
A small but evolving dent in Earth’s magnetic field can cause big headaches for satellites. Earth’s magnetic field acts like a protective shield around the planet, repelling and trapping charged…
NASA Study Maps the Roots of Global Mangrove Loss
Using high-resolution data from the joint NASA-U.S. Geological Survey Landsat program, researchers have created the first map of the causes of change in global mangrove habitats between 2000 and 2016…
NASA’s TESS Delivers New Insights Into an Ultrahot World
Measurements from NASA’s Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known. “The…
Mapping the Early Universe with NASA’s Webb Telescope
Astronomers and engineers have designed telescopes, in part, to be “time travelers.” The farther away an object is, the longer its light takes to reach Earth. Peering back in time…
An Astronaut’s View of Work
On June 26, 2020, spacewalkers Bob Behnken and Chris Cassidy completed the first of two scheduled spacewalks to replace batteries on one of two power channels on the far starboard…