Joe Palca

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

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.

The Nancy Grace Roman Space Telescope, named after NASA's first chief astronomer, will launch on Aug. 30.

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NASA is about to launch a space telescope that could change how we see the universe

Joe Palca

NASA's Nancy Grace Roman Space Telescope launches Aug. 30 on a mission to explore some of the most pressing mysteries of the cosmos.

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NASA's latest telescope will explore dark energy and other cosmic mysteries

Joe Palca

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.

NASA lost a lunar spacecraft one day after launch. A new report shows what went wrong

Joe Palca

Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.

A report by a NASA review panel says a error in pointing software caused the Lunar Trailblazer spacecraft's solar panels to face away from the sun.

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NASA lost a lunar spacecraft one day after launch. A new report details what went wrong

Joe Palca

Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer.

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What does water look like on the moon? A new lunar probe is on a mission to find out

Joe Palca

The Lunar Trailblazer orbiter's launch window opens Feb 26. It's catching a ride with Intuitive Machines IM-2 mission which is landing on the moon near the south pole. Both have instruments for looking for water.

Lunar Trailblazer should help scientists sort out the nature of water on the moon

Joe Palca

A rocket is scheduled to launch next year that will take along a robotic probe to orbit the moon. The probe is expected to provide details of how much water there is on the moon and where it is.