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One in Five Stars has Earth-Sized Planet in Habitable Zone
Topic: Cosmic Evolution
Summary: In a new study, astronomers estimate that as many as one in five stars could have planets similar in size to the Earth orbiting in their habitable zone.

Designing a Box to Return Samples From Mars
Topic: Mars
Summary: Scientists are working on developing a robust, multifunctional container that could one day be used to return samples from Mars.

Small Increase in Hydrogen Sulfide Made Ancient Ocean Toxic for Life
Topic: Climate
Summary: A new study has provided insight into ocean chemistry during a dramatic climate event that occurred on Earth 93.9 million years ago. The results also hold clues about how future changes in ocean chemistry could affect life on Earth.

Pillownauts Help Spaceflight Studies
Topic: Moon to Mars
Summary: Volunteers have spent 21 days in bed while being monitored by scientists. The bed-rest study will provide clues to how astronauts adapt to long-duration spaceflight.

Carbon Worlds May be Waterless
Topic: Cosmic Evolution
Summary: NASA-funded research indicates that planetary systems with so-called 'diamond planets' may have icy water reservoirs that are too small for oceans to exist on the planets themselves.

Turbo Taxonomy and the Cyber-Centipede
Topic: Origin & Evolution of Life
Summary: Researchers have developed a new method for classifying species that combines techniques like molecular biology, barcoding, computing and imaging.

Blazing-Hot Exoplanet has Earth-Like Size and Mass
Topic: New Planets
Summary: New research shows that, while the planet Kepler 78b is too hot for life, it is roughly the same size as the Earth. In fact, Kepler 78b is one of the smallest exoplanets that astronomers have measured thus far.

Carpenter Bees Went Extinct When the Dinosaurs Did
Topic: Origin & Evolution of Life
Summary: Scientists have found evidence of a wide-spread bee extinction that occurred at the same time that land dinosaurs and many flowering plants on Earth were wiped out.

Just 2 Weeks in Orbit Causes Changes in Eyes
Topic: Moon to Mars
Summary: A new study indicates that 13 days in space could be long enough to cause changes in gene expression and eye structure. The research provides important insights into how life from Earth is affected by exposure to the environment of space.

A Rare Snapshot of a Planetary Construction Site
Topic: Cosmic Evolution
Summary: Astronomers have captured a rare view of a planet-forming disk in an intermediate stage of its evolution. The findings will help revise models of how planets form.

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