Until recently, one of the ultimate mysteries of the universe—how many civilizations may exist on planets orbiting other stars in the Milky Way Galaxy—relied on the possibility of detecting intelligent beings by radio ...
Astronomy
May 30, 2013
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Similar in size and often referred to as twin planets, Earth and Venus evolved from common origins into two contrasting worlds - one dry and inhospitable, the other wet and teeming with life.
Space Exploration
May 29, 2013
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In order to better understand the composition of rocky exoplanets, researchers have proposed a method to identify chemical signatures from surface materials. A better understanding of exoplanet surface compositions will help ...
Astronomy
May 27, 2013
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For centuries, humans have pondered what life on other planets beyond our solar system might be like. With the launch of the Kepler Spacecraft in 2009 we now have evidence for the widespread existence of such planets. Kepler's ...
Space Exploration
May 14, 2013
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(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have shown for the first time that bursts of star formation have a major impact far beyond the boundaries of their host galaxy. These energetic events can ...
Astronomy
Apr 25, 2013
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NASA's Kepler mission has discovered a new planetary system that is home to five small planets around a slightly smaller star than our Sun. Two of them are super-Earth planets, most likely made of rock or ice mixed with rock, ...
Astronomy
Apr 22, 2013
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(Phys.org) —NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of an orbiting ...
Astronomy
Apr 18, 2013
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(Phys.org) —Visible as a small, sparkling hook in the dark sky, this beautiful object is known as J082354.96+280621.6, or J082354.96 for short. It is a starburst galaxy, so named because of the incredibly (and unusually) ...
Astronomy
Apr 8, 2013
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Observations by the Kepler satellite have advanced our knowledge of stars and their orbiting planets, yielding more than 100 confirmed planets and about 3,000 candidates. However, orbiting planets may not be the source for ...
Astronomy
Mar 18, 2013
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Although hundreds of planets orbiting other stars have been discovered in the past 15 years, we cannot yet answer the age-old question of whether any of these planets are capable of sustaining life. However, new NASA technology ...
Astronomy
Feb 15, 2013
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