As the SLS rocket is scheduled for launch during a two-hour window that opens at 8:33 a.m. EDT Monday, Aug. 29, from Launch Pad 39B at Kennedy Space Center, NASA is planning to provide a wide coverage of prelaunch, launch, and postlaunch activities for Artemis I. Artemis I will be the first integrated test of NASA’s Orion spacecraft, Space Launch ...

Using observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a trio of hot worlds larger than Earth orbiting a much younger version of our Sun called TOI 451. The system resides in the recently discovered Pisces-Eridanus stream, a collection of stars less than 3% the age of our solar system that stretches across one-third ...