The lunar test capsule, back on Earth

Chinese Test Capsule Returns from Moon

Mission paves the way for a future lunar sample return.

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Google VP Sets New Record for a Stratospheric Leap

Alan Eustace makes history with his 26-mile fall.

Artist’s conception of the 4M payload near the moon.

First Privately Funded Moon Mission Launches on a Chinese Rocket

A Luxembourg company sends a payload where no amateur radio satellite has ever gone.

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Orion: the Trailer

A preview of NASA’s coming movie...uh…launch.

Frantz (left) and Quénault with their Voison

The First Aerial Combat Victory

Airplane vs. airplane over France in 1914

Engineers check out the Mars-bound MAVEN spacecraft in March 2013.

Fitness Testing for Mars

How to ready a robot for a half-billion-mile voyage

Jan Nagórski (second from left) onboard a ship bound for the Arctic in August 1914.

The First Arctic Flight—in 1914

A little-known Polish aviator got there more than a decade before Byrd and Amundsen.

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Time-Lapse of Cygnus Departing the Space Station

Astronauts say goodbye to their supply ship after a month in orbit.

Suicide by Airplane: It’s Rare, But It Happens

A 2014 study identifies 24 suspected U.S. cases of “aircraft-assisted” suicide over the past 20 years.

Comet 67P etc., as seen from a distance of 3,400 miles on July 20. Note the brighter pixels around the middle.

Rosetta’s Comet Has a Shiny Necklace

New pictures show a bright “neck” where the comet’s two pieces join.

Left your wrench back on Earth? No problem.

A Reality Check for 3D Printing in Space

A National Research Council study tries to rein in the hype.

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Air Traffic May Double in 20 Years, While Legroom Shrinks

How do you fit more passengers in fewer airplanes? Guess.

Zero2infinity's microbloon capsule being prepared for launch.

Will the Stratosphere Be 2020’s Hot Tourist Destination?

Flights could begin as early as 2016.

Astronauts will never land here, unless we change our ways.

To Mars! (But Not the Way We’re Going)

Hard advice in a new report on the future of human spaceflight.

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Birds Make Landing on a Wire Look Easy. Now Try It With a Drone.

If engineers can master the technique, UAVs might be able to charge themselves on power lines.

Armstrong at the blackboard in 1974

Professor Armstrong

An online archive highlights the Apollo astronaut’s little-known life as an academic.

Joel Crouch on June 5, 1944, just before the Normandy invasion.

The Pilot Who Led the D-Day Invasion

Joel Crouch and his pathfinders were the first Americans to reach France in the early hours of June 6, 1944.

Musk showing off the interior of his new vehicle.

“That Is How a 21st Century Spaceship Should Land”

SpaceX unveils its Dragon 2 capsule—for people.

Surayev's caption:  “Completely ready to fly into space”

Max Surayev is Back

The cosmonauts’ best blogger returns to the International Space Station.

Just another day at the office: Bill Dana with the HL-10 lifting body in 1968, as a B-52 flies overhead.

Test Pilot Bill Dana’s Worst Fear: Embarrassing Himself in Front of his Peers

Flying the X-15 and HL-10 was nothing compared to facing his fellow test pilots.

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