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The plumes that erupt through the cracks on the icy exterior of one of Saturn’s moons contain molecular hydrogen, researchers report.

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image: Polar Algae Survive More Than a Year in Space

Polar Algae Survive More Than a Year in Space

By | February 13, 2017

Two samples of Sphaerocystis that spent 530 days growing on a panel outside of the International Space Station have returned to Earth largely unscathed.

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image: Bacteria Show Signs of Starvation in Space

Bacteria Show Signs of Starvation in Space

By | November 18, 2016

E. coli cultured on the International Space Station show increased expression of genes related to starvation and acid-resistance responses, researchers report.

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image: Opinion: On Space and Health

Opinion: On Space and Health

By | September 24, 2013

What health and space sciences can learn from each other to boost innovation

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image: Radiation Risk for Mars Astronauts

Radiation Risk for Mars Astronauts

By | June 3, 2013

An instrument aboard the spaceship that carried Curiosity to Mars has found that deep space travelers would face worrying levels of radiation.

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image: Water Once Ran on Mars

Water Once Ran on Mars

By | October 1, 2012

The Curiosity rover discovers pebbles that were likely formed by ancient streams on the Red Planet.

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image: Space-bound Fish

Space-bound Fish

By | July 31, 2012

Japanese astronauts deliver an aquarium to the International Space Station to study the effects of microgravity on marine life.

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image: Space Rocks

Space Rocks

By | June 1, 2012

Orbiting ultrasound machines are being used to diagnose and treat astronauts' kidney stones.

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