Apollo 7 Crew Trains to Test Technology for Missions to the Moon

This Aug. 5 1968 image was taken aboard the MV Retriever in the Gulf of Mexico, where the Apollo 7 crew, Walter Schirra, Walter Cunningham and Donn Eisele practiced water egress procedures in preparation for the October 1968 mission.

Astronaut Michael Lopez-Alegria Works on Constructing the International Space Station

During National Hispanic Heritage Month, we're celebrating the contributions of the brilliant Hispanic women and men of NASA. In this Feb. 2007 photo, astronaut Michael E. Lopez-Alegria, Expedition 14 commander, participates in a 6-hour, 40-minute spacewalk as construction continues on the International Space Station.

Opportunity Emerges in a Dusty Picture

NASA still hasn't heard from the Opportunity rover, but at least we can see it again.

Our Sun: Two Wavelengths, Two Different Images

NASA's Solar Dynamics Observatory views our Sun in ten different wavelengths because each wavelength reveals different solar features.

Lonely Island

John Young Makes Last Minute Inspection of Gemini III

John W. Young (1930-2018), born on Sept. 24, was NASA's longest-serving astronaut and the only astronaut to fly missions in the Gemini, Apollo and Space Shuttle Programs.

Hubble’s Galaxies With Knots, Bursts

In the northern constellation of Coma Berenices lies the impressive Coma Cluster — a structure of over a thousand galaxies bound together by gravity.

Small Satellite Demonstrates Possible Solution for 'Space Junk'

The International Space Station deployed this small satellite for the NanoRacks-Remove Debris investigation, designed to demonstrate an approach to reduce the risks presented by orbital debris or "space junk."

First Light Data for NASA's Parker Solar Probe

Just over a month into its mission, NASA's Parker Solar Probe has returned first-light data from each of its four instrument suites. These early observations show that each of the instruments is working well.

Astronaut Serena Auñón-Chancellor Examines Her Eyes

Astronaut Serena Auñón-Chancellor examines her eye with a Funduscope.

ICESat-2 Lifts Off to Study Earth's Changing Ice

A Delta II rocket launches with NASA's ICESat-2 onboard, Saturday, Sept. 15, 2018, from Vandenberg Air Force Base in California.

Juno Captures Elusive 'Brown Barge'

A long, brown oval known as a "brown barge" in Jupiter's South Equatorial Belt is captured in this color-enhanced image from NASA's Juno spacecraft.

Success! Final Orion Parachute Tests Completed

NASA completed the final test to qualify Orion’s parachute system for flights with astronauts, an important milestone on the path to send humans on missions to deep space.

Staring Down Hurricane Florence

Ever stared down the gaping eye of a category 4 hurricane? It's chilling, even from space.

Hurricane Florence Viewed from the Space Station

Astronaut Ricky Arnold, from aboard the International Space Station, shared this image of Hurricane Florence on Sept. 10, taken as the orbiting laboratory flew over the massive storm.

Galician Waterfall

Bright Spots On Ceres

Bright surface features on the dwarf planet Ceres known as faculae were first discovered by NASA's Dawn spacecraft in 2015.

'Snow Swamp' on Canada's Lowell Glacier

Over a mere four days this summer, snow from the previous winter melted into a pond of slush a glaciologist called a “snow swamp.”

Along the Way to Launch Pad 39B

A truck sprays water to reduce the dust as NASA's crawler-transporter 2 with the mobile launcher atop moves slowly along, on its trek to Launch Pad 39B.

Zion Waterfall After the Storm

Summer Ship Tracks in the Pacific

Long, narrow clouds, known as ship tracks, stood out against the backdrop of marine clouds blanketing much of the North Pacific Ocean.