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Hidden Exoplanet Found In Archival Data
April 1, 2009 — A powerful, newly refined image-processing technique may allow astronomers to discover extrasolar planets that are possibly lurking in over a decade's worth of Hubble Space Telescope archival ... > full story -
Finding Twin Earths Is Harder Than Thought
March 20, 2009 — Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to find such ... > full story -
COROT Discovers Smallest Transiting Exoplanet Ever
February 3, 2009 — COROT has found the smallest terrestrial planet ever detected outside the Solar System. The amazing planet is less than twice the size of Earth and orbits a Sun-like star. Its temperature is so high ... > full story -
Astronomers Get A Sizzling Weather Report From Distant Planet
January 28, 2009 — Astronomers have observed the intense heating of a distant planet as it swung close to its parent star, providing important clues to the atmospheric properties of the planet. The observations enabled ... > full story -
'Super-Neptune' Exoplanet Discovered
January 21, 2009 — Astronomers have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune has a diameter 3.8 times that of Earth and a mass 17 times ... > full story -
Exoplanet Atmospheres Detected From Earth
January 14, 2009 — Two independent groups have simultaneously made the first-ever ground-based detection of extrasolar planets thermal emissions. Until now, virtually everything known about atmospheres of planets ... > full story -
Dead Stars Tell Story Of Planet Birth
January 11, 2009 — Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered with ... > full story -
Brown Dwarfs Don't Hang Out With Stars
January 6, 2009 — Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on a study of 233 nearby multiple-star systems by NASA's Hubble Space Telescope. Hubble ... > full story -
Baby Jupiters Must Gain Weight Fast
January 5, 2009 — The planet Jupiter gained weight in a hurry during its infancy. It had to, since the material from which it formed probably disappeared in just a few million years, according to a new study of planet ... > full story -
Jupiter-Like Planets Could Form Around Twin Suns
January 5, 2009 — Life on a planet ruled by two suns might be a little complicated. Two sunrises, two sunsets. Twice the radiation field. Astronomers suggest that planets may easily form around certain types of twin ... > full story
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