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image: The Martian Tempest

The Martian Tempest

By | November 26, 2012

NASA scientists are closely watching a dust storm on Mars that threatens to go global and interfere with rovers on the planet’s surface.

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image: No Arsenic-Based Life

No Arsenic-Based Life

By | July 9, 2012

Two new studies conclusively prove "arsenic-based" bacteria hailed by NASA researchers as a new form of life needs phosphate after all.

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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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image: The Satellite Shortage

The Satellite Shortage

By | May 4, 2012

Aging satellites and NASA funding cuts threaten to put a serious dent in scientists’ ability to observe Earth’s processes from above.

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image: Obama Seeks Science Stimulus

Obama Seeks Science Stimulus

By | February 14, 2012

President Obama released his proposed 2013 budget request, featuring a 1 percent increase in research spending overall.

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image: Protecting Government Whistleblowers

Protecting Government Whistleblowers

By | August 24, 2011

New draft policies for safeguarding government research from political influence—and protecting those who bring such misconduct to light—could be improved, according to advocacy groups.

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image: Arsenic-based life debate continues

Arsenic-based life debate continues

By | June 2, 2011

More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules, such as proteins.

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