Tech execs running the commercial space race

Richard Branson's Virgin Galactic company is reeling from the loss of SpaceShipTwo, which crashed in California's Mojave desert on Friday, killing one of its pilots and seriously injuring the other. Branson, a billionaire ...

NASA needs new 'breakthrough,' says Obama

NASA needs new technology breakthroughs to revitalize its mission to explore the universe, President Barack Obama said Wednesday as the shuttle Atlantis was preparing for its final mission.

Death in space: Here's what would happen to our bodies

As space travel for recreational purposes is becoming a very real possibility, there could come a time when we are traveling to other planets for holidays, or perhaps even to live. Commercial space company Blue Origin has ...

Rotational clock for stars needs recalibration

New work from a team of astronomers led by Carnegie's Jennifer van Saders indicates that one recently developed method for determining a star's age needs to be recalibrated for stars that are older than our Sun. This is due ...

How does the immune system react to altered gravity?

Space travel has always tested the human body by the effects of the new conditions of altered gravity on biological systems. It has long been known that continuous exposure to microgravity conditions human physiology and ...

Van Allen Probes reveal new dynamics of radiation belts

(Phys.org)—Just 96 days since their launch, NASA's twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a clearer understanding ...

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