Image: Esrange launch tower

An interior view of a launch tower for suborbital rockets at Esrange, near Kiruna in Sweden. ESA launches sounding rockets from here to run experiments in microgravity as they climb to heights of 270 km before returning to ...

Facebook ready to test giant drone for Internet service

Facebook says it will begin test flights later this year for a solar-powered drone with a wingspan as big as a Boeing 737, in the next stage of its campaign to deliver Internet connectivity to remote parts of the world.

Up, up and away, in the name of science education

US researchers extol the virtues of high-altitude balloons for science education in a research paper published in the International Journal of Learning Technology. According to Jeremy Straub of the University of North Dakota ...

Warmer, lower-oxygen oceans will shift marine habitats

Modern mountain climbers typically carry tanks of oxygen to help them reach the summit. It's the combination of physical exertion and lack of oxygen at high altitudes that creates one of the biggest challenges for mountaineers.

What animals have been to space?

When we think of spaceflight, we think astronauts. You're a human, you perceive the Universe with your human-centric attitudes. You… specist.

A look at Virgin Galactic's feathering technology

The Virgin Galactic spaceship destroyed when it broke apart high over the Mojave Desert was designed to take tourists on a fleeting thrill ride through the lower reaches of space.

Video: Sprites, gravity waves and airglow

Look! Fast! Sprite lightning occurs only at high altitudes above thunderstorms, only last for a thousandth of a second and emit light in the red portion of the visible spectrum, so they are really difficult to see. But one ...

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