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Measuring Meteor Dust
Topic: Meteorites, Comets and Asteroids
Summary: Some 10 to 40 tons of meteoric dust enters Earth's atmosphere every day. Studying this material could teach astrobiologists about the early Solar System and provide clues about the origin of life on Earth.

Stars Don't Obliterate Their Planets Very Often
Topic: Cosmic Evolution
Summary: A new study using data from NASA's Kepler Space Telescope shows that hot Jupiters are not regularly consumed by their host stars.

Swinging Between Ice Ages
Topic: Earth
Summary: Using computer simulations, scientists have demonstrated that the ice-age/warm-period cycle on Earth depends heavily on the alternating influence of continental ice sheets and climate.

Moon Radiation Findings May Reduce Health Risks to Astronauts
Topic: Moon to Mars
Summary: Data from NASA's Lunar Reconnaissance Orbiter (LRO) shows that lighter materials like plastics will provide effective shielding against radiation for astronauts during extended space travel.

Carbon Under Pressure Exhibits New Traits
Topic: Earth
Summary: A new technique is allowing scientists study samples that are heated and squeezed within an electron microscope. Researchers have used the method to reveal new clues about how and where carbon is located within Earth's interior.

Genetics of 'Sand' May Shed Light on Evolution
Topic: Origin & Evolution of Life
Summary: Scientists are using tiny fossil shells from microscopic organisms called planktonic foraminifera to understand more about the process of evolution.

The Sun's Magnetic Field is About to Flip
Topic: Sun
Summary: Measurements indicate that the Sun's vast magnetic field is about to flip, and the event will have effects throughout the Solar System.

Is Europa Habitable?
Topic: Europa
Summary: A new study outlines potential science goals for a robotic mission to the surface of Europa. A Europa lander could study the composition and geology of the moon's icy shell and the potential for life in its subsurface ocean.

Ice May Explain Mars's Double-Layer Craters
Topic: Mars
Summary: Geologists have proposed a new explanation for double-layered ejecta craters on Mars.

As Curiosity Celebrates 1 Year on Mars, Opportunity's Hunt Continues
Topic: Mars
Summary: NASA's Mars Reconnaissance Orbiter is mapping minerals on a martian mountain named Solander Point. The Opportunity rover will soon scale the mountain to search for clues about the habitability of ancient Mars. Meanwhile, the Curiosity rover celebrated its first birthday on the red planet.

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