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Stories by Elizabeth Howell

Comet Landslide Caught in Action

Images from the Rosetta spacecraft provide the first clear link between a comet's outbursts and changes upon the comet's surface

March 23, 2017 — Elizabeth Howell and

Mystery of Martian Methane Deepens

After two years on the Red Planet, NASA's Curiosity rover rules out a seasonal explanation for an observed methane spike

May 18, 2016 — Elizabeth Howell and

The 6 Most Earth-Like Alien Planets

Discovering the first true “alien Earth” is a long-held dream of astronomers. Recent exoplanet discoveries suggest that their dream will come true in the not-too-distant future...

August 7, 2015 — Elizabeth Howell and LiveScience

Signs of Water Ice Detected on Comet Surface

The Rosetta spacecraft, currently orbiting Comet 67P/Churyumov-Gerasimenko, has spotted 120 bright, reflective spots on the surface of the comet, for which water ice is a plausible explanation...

July 3, 2015 — Elizabeth Howell and
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