Help is a long way away: The challenges of sending humans to Mars

On July 20, 1969, Apollo 11 astronaut Buzz Aldrin stepped out a lunar lander onto the surface of the moon. The landscape in front of him, which was made up of stark blacks and grays, resembled what he later called "magnificent ...

Twitter users given legal warning in Britain

The Internet is not a law-free zone, the British government's top law officer warned Twitter users, adding that he would not hesitate to take action over offending posts.

Need muscle for a tough spot? Turn to fat stem cells

(PhysOrg.com) -- Stem cells derived from fat have a surprising trick up their sleeves: Encouraged to develop on a stiff surface, they undergo a remarkable transformation toward becoming mature muscle cells. The new research ...

Why are aspen dying?

(Phys.org) —If Utah's quaking aspen appear to be quaking more than usual this summer, the trees have reason to tremble, says a Brigham Young University biologist. In dappled forests across the West, aspen trees are battling ...

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