A speculative yet increasingly cited theory suggests that some UFO sightings may be due not to extraterrestrial visitors, but to an advanced, Earth-based species disguising themselves among us. Known as the cryptoterrestrial hypothesis, it proposes th…
NASA Selects Contractors to Supply Centers with Helium
NASA has chosen a group of contractors to supply multiple agency facilities with liquid and gaseous helium for at least the next two years. The NASA Agency-wide Supply of Liquid and Gaseous Helium contract is a fixed-price indefinite-delivery requirements contract with firm-fixed-price delivery orders. The awards have a total estimated value of approximately $105.1 million. […]