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You may not be able to grow bigger muscles out of thin air, but you can 3D print them in microgravity, scientists at ETH Zurich have now established. “3D printing”

Generations of astronauts have spoken about how hard it is to move your limbs inside a spacesuit, where pressurization protects your body — but creates resistance. A new “exosuit,” tested

A private Chinese rocket just suffered its second-ever failure. Galactic Energy’s solid-fuel Ceres-1 rocket lifted off from Jiuquan Satellite Launch Center in northwest China at 11:02 p.m. EST on Sunday

The northern lights could put on a show tonight (Nov. 10) as incoming coronal mass ejections (CMEs) may spark geomagnetic storm conditions, according to the National Oceanic and Atmospheric Administration

Water isn’t just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For decades, scientists have debated the origin

Astrophotography has exploded in popularity, thanks to incredible advancements in the best camera technology, such as improved sensor ability and astro-specific autofocus. Some of the best cameras for astrophotography from

In a striking new view from space, the European Space Agency’s Solar Orbiter has given scientists their first close-up glimpse of the sun’s magnetic field near its south pole —

Essential info: Price: $79.99 / £69.99 Model number: 60446 Number of pieces: 717 Dimensions: 6 x 39 x 29 cm (2.5 x 15.5 x 11.5-inches) Recommended age: 7+ We’re absolutely

If the skies are clear these next few nights, take a few moments to look up. You just might be lucky and catch a glimpse of a spectacularly bright meteor

Editor’s note: The sun unleashed a third X-class solar flare on Nov. 11. Clocking in at X5.1, it is the biggest solar flare this year and could impact Earth on