New telescope will help scientists study a mysterious force called 'dark energy'

NPR | By Joe Palca,

Ayesha Rascoe

Published August 30, 2026 at 8:26 AM EDT

NPR's Ayesha Rascoe asks science reporter Joe Palca about the Nancy Grace Roman Space Telescope, which will have a field of view at least 100 times larger than Hubble Space Telescope.

Joe Palca

Joe Palca is a science correspondent for NPR.

See stories by Joe Palca

Ayesha Rascoe

Ayesha Rascoe is the host of Weekend Edition Sunday and the Saturday episodes of Up First.

See stories by Ayesha Rascoe

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