Crystal sponges excel at sopping up CO2

Since the Industrial Revolution, levels of carbon dioxide---a major contributor to the greenhouse effect---have been on the rise, prompting scientists to search for ways of counteracting the trend. One of the main strategies ...

ISS scheduled spacewalk is postponed

Russian space agency officials Thursday postponed a scheduled Dec. 8 spacewalk by the Russian-American crew of the International Space Station.

Hawaii coast line collapses, lava flows

A 40-acre section of the Hawaii Volcanoes National Park's coastline collapsed this week, producing a six-foot-thick geyser of molten rock.

Titan gives clues to Earth's early history

Readings from the Huygens probe of the surface and atmosphere around Saturn's largest moon, Titan, give researchers a peek back through time to when and how Earth's atmosphere formed, and how our primitive planet looked before ...

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