NASA

Armstrong made his "historic leap for mankind" when he walked on the moon on July 20, 1969. But three years earlier, he’d performed another, salvaging a mission that could have derailed the space...

Moon rocks collected by NASA are illegal, but three pebbles collected by the Soviet Union just sold at auction.

The gas giant’s magnetic field is almost completely confined to the northern hemisphere.

Do you have a million-dollar idea to help astronauts turn gas into sugar in space?

Engineers on the ground are guiding the crew on how to fix the leak.

Twitter users launch hashtags #WakeUpOppy and #SaveOppy after months of silence from the 15-year-old rover.

The space probe is entering the final approach phase of its mission.

Studying Bennu, which is 4.5 billion years old, could help us to better understand the history of the solar system.

A woman has lost her NASA internship after getting into a Twitter fight with a member of the U.S. National Space Council, but her dreams of an aerospace career may not be completely crushed.

The new findings have significant implications for future missions to the Moon.

“We’re seeing the threshold between being in the solar neighborhood and being in the galaxy.”

The seven-year mission will provide information about the Sun's atmosphere.

The probe will travel closer to the Sun than any other man-made object.

Are we really going to toss aside all dreams of space colonization just to target Elon Musk with snide headlines?

From jaw-dropping pictures of interlacing galaxies to man’s first steps outside of Earth, these are NASA’s most incredible images so far.

TESS may uncover planets that have the right conditions for life to exist.

These images are as close as any of us are getting to Mars any time soon—but they’re beautiful enough to be a worthy consolation prize.

The recordings providing a unique insight into the Apollo 11 mission.

During its seven-year mission, the probe will fly directly through the Sun's corona, which can reach temperatures of several million degrees Fahrenheit.

NASA says the aircraft will "place among the greatest NASA X-planes ever flown."

The image was taken by the Hubble Space Telescope.

Scientists are scrabbling to find the valuable rocks before they are degraded by sea water.

Mars is more than just a red planet.

NASA has failed to make contact with the Opportunity rover, but Curiosity keeps on snapping selfies.

The plan details five goals the agency and government hope to accomplish over the next 10 years.

Whitson broke multiple records while at NASA.

NASA said the U.S. is “one step closer to normalizing unmanned aircraft operations” in commercial airspace.

The big Moon mystery has now been solved. And yes, humans are to blame.

From Iceland to Chile, here are fifty photos of volcanoes captured by astronauts.

The storm covers an area of more than 7 million square miles.