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A New Approach to SETI: Targeting Alien Polluters

NASA's Chandra X-ray Observatory Celebrates 15th Anniversary

Transiting Exoplanet with Longest Known Year

Sun-like Stars Reveal Their Ages

Mysterious X-ray Signal Intrigues Astronomers

The Submillimeter Array: Celebrating a Decade of Discovery

Mining Data Archives Yields Haul of "Red Nuggets"

Astronomers Find a New Type of Planet: The "Mega-Earth"

Because You Can't Eat Just One: Star Will Swallow Two Planets

"Neapolitan" Exoplanets Come in Three Flavors