
Search for Mars life stymied by contamination threat
A multi-billion-dollar robot dispatched to Mars to search for life must steer clear of promising "hot spots" for fear of spreading microbes from Earth, NASA project scientists said Thursday. ... more
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Hitchhiking to Mars
Could some of the hardiest bacteria on Earth hitchhike on a Journey to Mars and survive after landing in a new world? NASA researchers intend to find out.
A helium-filled scientific balloon wi ... more
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Fossil fuels harm health from 'cradle to grave': report
Trash, mulch and security: All jobs for troops in Washington
Rising oceans to threaten 1.5 million Australians by 2050: report
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Dawn Turns Eight
Eight years ago today, Dawn was gravitationally bound to a planet. It was conceived and built there by creatures curious and bold, with an insatiable yearning to reach out and know the cosmos. Under ... more
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Dawn Team Shares New Maps and Insights about Ceres
Mysteries and insights about Ceres are being discussed this week at the European Planetary Science Conference in Nantes, France. NASA's Dawn spacecraft is providing scientists with tantalizing views ... more
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The Most Stable Source of Light in the World
In order to be able to detect planets comparable to Earth, the CHEOPS satellite, which will be sent into orbit at the end of 2017, must be able to measure the luminosity of a star with inimitable ac ... more
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ASU-led partnership engages citizens in NASA's Asteroid Initiative
How can humans best protect the Earth from a potentially devastating asteroid impact? Could our ability to study an asteroid assist with both planetary defense and sending humans farther into our so ... more
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NASA's Big Mars Story
Every time NASA ballyhoos a press conference to announce an exciting discovery about Mars, the public bets heavily that the news will either be about water (What, again?) or life (Finally!) This wee ... more
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