Blue Origin Chief Offers Guarded Glimpse at What's Next for Bezos' SpaceX Rival
Dave Limp tells Commercial Space Conference attendees what it's going to take to get back to the Moon and eventually Mars via ...
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Euclid telescope spots rare 'Einstein ring' hiding near Earth — and an ancient, unnamed galaxy behind it
Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...