NASA

Apollo 17 astronaut Harrison Schmitt collects samples of lunar soil from the moon in 1972.

One small grain of moon dust, one giant leap for lunar studies

Visualization of a blue planet half in shadow, with mass of clouds gathered over the bright side

NASA’s TESS spacecraft discovers its first habitable planet, first world with two stars

Parker Solar Probe illustration

Parker Solar Probe’s first discoveries: Odd phenomena in space weather, solar wind

Parker and Fox

Eugene Parker on first year of namesake NASA mission: ‘It’s pretty exciting stuff’

Kepler mission rendering

New exoplanet is smallest to be precisely measured

Red giants

New measure of Hubble constant adds to mystery about universe’s expansion rate

Plasma in distant galaxy cluster

Scientists use X-rays from faraway galaxy cluster to reveal secrets of plasma

Justin Kasper

He once created a nuclear reactor in his dorm. Now he’s building the impossible for NASA.

Justin Kasper

Justin Kasper: From Scav Hunt to NASA

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Citizen scientists help discover new exoplanet in ‘habitable zone’