The Surprising Colors of Snow
In mountain and other wilderness areas where deep snows last well into the spring, the snow may be tinted red, green, orange, or yellow.
Research Fraud: When Science Goes Bad
At its worst, science research fraud might have deadly consequences. What can be done about it?
A Universe Where Time Runs Backwards
Running out of time? Not in a universe where time runs backwards.
Kepler: The Little Telescope That Could
A year after a potentially fatal setback, a rejuvenated Kepler telescope discovered the first exoplanet (outside the solar system) of its new mission.
Hidden Ecosystems Under Arctic Ice Reveal Themselves
Thanks to remotely operated vehicles scientists are able to peek at one of the coldest, darkest environments of all: ecosystems deep underneath arctic ice.
Where is Water From? Probably Not Comets
A recently completed analysis of comet 67P/C-G by the Rosetta Space Craft has effectively ruled out comets as the primary source of Earth’s water.
A Way in the Wilderness: The Pacific Crest Trail
The movie version of Cheryl Strayed’s searing memoir “Wild: From Lost to Found on the Pacific Crest Trail,” starring ...
Life with Lava
Lava from the Kīlauea volcano in Hawaii has been used to answer questions about life on Mars.