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Planck Telescope Warms up as Planned
One of Planck's two instruments has warmed up as expected, completing its survey of the early universe.
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NASA'S Kepler Mission Discovers Its First Rocky Planet
Kepler confirmed the discovery of its first rocky planet, named Kepler-10b. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system.
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NASA Telescopes Help Find Most Distant Galaxy Cluster
Astronomers have discovered a massive cluster of young galaxies forming in the distant universe.
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2009 Women in Astronomy Conference Proceedings
The 2009 Women in Astronomy conference published the proceedings from Women in Astronomy and Space Science Conference III.
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Partner Galaxies Wildly Different in New WISE IMAGE
NASA's Wide-field Infrared Survey Explorer has captured a new view of two companion galaxies.
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The Two-faced Whirlpool Galaxy
These images by NASA's Hubble Space Telescope show off two dramatically different views of the spiral galaxy M51, dubbed the Whirlpool Galaxy.
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Planck Mission Peels Back Layers of the Universe
The Planck mission released a new data catalogue Tuesday from initial maps of the entire sky.
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Gravity Gives Astronomers a Boost
Astronomers who survey galaxies in the distant universe are getting some unexpected help from gravity, according to a new study.
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Cosmology Standard Candle not so Standard After All
Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in mass, making them not quite as standard as once thought.
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High-Energy Surprises in 'Constant' Crab Nebula
The Crab Nebula was once thought to be the steadiest high-energy source in the sky. Not so, according to new data from NASA satellites.