Astronomy & Space news

Resolving to stay fit in space and on Earth

In February, our attention turns to romantic matters of the heart. As American Heart Month, this month is also a time to focus on heart health and a perfect excuse to start working out to improve your physical ...

Feb 23, 2015
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The strange case of the missing dwarf

The new SPHERE instrument on ESO's Very Large Telescope has been used to search for a brown dwarf expected to be orbiting the unusual double star V471 Tauri. SPHERE has given astronomers the best look so ...

Feb 18, 2015
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Dawn captures sharper images of Ceres

Craters and mysterious bright spots are beginning to pop out in the latest images of Ceres from NASA's Dawn spacecraft. These images, taken Feb. 12 at a distance of 52,000 miles (83,000 kilometers) from the ...

Feb 17, 2015
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Guiding our search for life on other earths

A telescope will soon allow astronomers to probe the atmosphere of Earthlike exoplanets for signs of life. To prepare, Lisa Kaltenegger and her team are modeling the atmospheric fingerprints for hundreds ...

Feb 17, 2015
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'Pale blue dot' images turn 25

Valentine's Day is special for NASA's Voyager mission. It was on Feb. 14, 1990, that the Voyager 1 spacecraft looked back at our solar system and snapped the first-ever pictures of the planets from its perch ...

Feb 16, 2015
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Embryos of stars

Stars like the Sun begin their lives as cold, dense cores of dust and gas that gradually collapse under the influence of gravity until nuclear fusion is ignited. Exactly how the critical collapse process ...

Feb 16, 2015
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A new way to view Titan: 'Despeckle' it

During 10 years of discovery, NASA's Cassini spacecraft has pulled back the smoggy veil that obscures the surface of Titan, Saturn's largest moon. Cassini's radar instrument has mapped almost half of the ...

Feb 14, 2015
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The controversy over interstellar messaging

Should we beam messages into deep space, announcing our presence to any extraterrestrial civilizations that might be out there? Or, should we just listen? Since the beginnings of the modern Search for Extraterrestrial ...

Feb 20, 2015
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