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Fine-Tuning Fujita: After 35 years, a new scale for rating tornadoes takes effect
MARCH / APRIL 2007 n the evening of April 28, 2002, a devastating tornado tore across southern Maryland, cutting a path of destruction 64 miles long, killing 3 people and injuring more than 100
Demonstration Proves Nuclear Fission Can Provide Exploration Power
NASA and the Department of Energy’s National Nuclear Security Administration (NNSA) have successfully demonstrated a new nuclear reactor power system that could enable long-duration crewed missions
2018 Fourth Warmest Year in Continued Warming Trend, According to NASA
Earth's global surface temperatures in 2018 were the fourth warmest since 1880, according to independent analyses by NASA and the National Oceanic and Atmospheric Administration (NOAA).
NASA Announces New Partnerships for Commercial Lunar Payload Delivery
Nine U.S. companies now are eligible to bid on NASA delivery services to the lunar surface through Commercial Lunar Payload Services (CLPS) contracts, as one of the first steps toward long-term
NASA Missions Catch First Light from a Gravitational-Wave Event
For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging neutron stars in the galaxy NGC 4993, located about 130 million light-years from
NASA’s Voyager 2 Probe Enters Interstellar Space
For the second time in history, a human-made object has reached the space between the stars. NASA’s Voyager 2 probe now has exited the heliosphere – the protective bubble of particles and magnetic
NASA Taps 11 American Companies to Advance Human Lunar Landers
NASA has selected 11 companies to conduct studies and produce prototypes of human landers for its Artemis lunar exploration program.