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The First Plants Caused Ice Ages
Topic: Biosphere
02/03/12
Summary: When the first plants evolved on Earth some 470 million years ago, they may have triggered a series of ice ages. The study provides new insight into the links between the climate and biosphere of Earth.

Little Ice Age Caused by Volcanoes?
Topic: Earth
02/03/12
Summary: A new study may help scientists understand the events that brought about Earth's "Little Ice Age."

Super-Earth Detected in Star's Habitable Zone
Topic: New Planets
02/02/12
Summary: Astronomers have discovered a potentially habitable super-Earth orbiting a nearby star.

Elements of ExoPlanets
Topic: New Planets
02/02/12
Summary: By looking at the wavelengths of light from nearby stars, researchers have determined the abundance of certain elements for more than a hundred stars. Trace elements in such stars may influence their habitable zones, where planets with life might dwell.

How Well Can Astronomers Study Exoplanet Atmospheres?
Topic: New Planets
02/01/12
Summary: Exoplanets are now being discovered at pace, and some have been described as "Earth-Like." These claims are often based on the distance between the exoplanet and its host star. Unfortunately, this distance isn't all that makes a planet habitable.

Earth's Missing Energy
Topic: Climate
02/01/12
Summary: Using 10 years of data from atmospheric and oceanic data, scientists are providing new information about the energy balance of Earth.

Radiation En Route to Mars
Topic: Moon to Mars
01/31/12
Summary: The Radiation Assessment Detector on the Mars Science Laboratory spacecraft measured radiation from a recent solar storm, providing valuable information for future human space exploration.

Underwater Caves Provide Clues to Life Beyond Earth
Topic: Extreme Life
01/31/12
Summary: Discoveries in underwater caves could help scientists understand how life arose in ancient oceans on Earth - and possibly how similar life could survive on other worlds.

Ground Truth
Topic: Titan
01/30/12
Summary: A team of scientists has traveled to remote Laguna Negra in the central Andes of Chile to test technologies that could one day be used to explore the lakes of Titan. While the Planetary Lake Lander (PLL) is positioned in its summer home, researchers study the geology of the Leguna Negra basin.

What Happened Prior to Snowball Earth?
Topic: Geology
01/30/12
Summary: A new study suggests that geochemical records found in rocks prior to the glaciation event known as 'Snowball Earth' are unrelated to the glaciation itself.

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