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NASA's latest telescope will explore areas of dark energy

NPR | By Joe Palca
Published August 28, 2026 at 1:44 AM PDT

NASA's Nancy Grace Roman Space Telescope, set to launch this weekend, may shed new light on the nature of dark energy -- that mysterious force causing the universe to expand.

Copyright 2026 NPR
Joe Palca
Joe Palca is a science correspondent for NPR.
See stories by Joe Palca