Orbital science, astronomy, remote sensing, and what lies beyond the atmosphere.
Six men lived inside a sealed Mars mission simulator for 520 days and their bodies gradually settled into a quieter pattern. Continuous wrist records showed less movement while awake, more time asleep and more time spent resting without fully sleeping. The changes built slowly over 17 months, which gave researchers a rare look at how…
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Current NOAA space-weather observations, including solar-wind speed, Kp, magnetic-field conditions, and official R, S, and G scales.
A frequently refreshed NASA/JPL calendar of near-Earth asteroid close approaches, with distances, speeds, measured sizes, and calm risk context.
A Caltech study in The Astrophysical Journal Letters describes an astronomical mystery with a startling possible solution. A massive star may have exploded as a supernova and produced two unusually small neutron stars. Those dense remnants could have collided hours later, creating a second blast inside the debris of the first. The candidate event, called…
