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exoplanets

Scientists Search for Civilizations on Likely Planets

February 14, 2013, 2:00 pm

U.S. researchers have narrowed down their search for radio signals from intelligent life among the stars.

Growing Giant Planets Guzzle Gas Streams

January 2, 2013, 1:00 pm

The Atacama Large Millimeter/submillimeter Array (ALMA) telescope has revealed huge streams of gas crossing a gap in the disc of matter orbiting a young star—a hypothesized [...]

Searching for Water in Our Solar System and Beyond

December 28, 2012, 3:00 pm

In searching for worlds we humans might one day try to inhabit, the presence of water is among the most pertinent considerations.

Nearest Sun-Like Star May Host Habitable Planet

December 19, 2012, 3:00 pm

Tau Ceti, one of our closest sun-like stars, has a planetary system, including a world in the habitable zone.

Diamond-Rich Exoplanet Double Earth’s Size

October 11, 2012, 9:55 pm

A recently discovered super-Earth orbiting a nearby star may be at least one-third diamond.

Shock Waves From Sun Sculpted Our Solar System

September 26, 2012, 6:00 pm

During its youth, the sun may have emitted a series of shock waves that caused the planets in our solar system to form at different times.

Super-Earths Not so Big on Life

September 25, 2012, 6:00 pm

Despite their name, super-Earths—rocky exoplanets with a mass up to 10 times our own planet’s—may be uninhabitable, and are more diverse than realized.

Kepler Finds 2 Planets Orbiting Pair of Suns

August 28, 2012, 6:30 pm

The first known circumbinary, multi-planet system has been discovered: two planets orbiting a pair of stars about 5,000 light-years away in the constellation Cygnus.

Exoplanet Atmosphere Examined With Pioneering Technique

June 27, 2012, 1:00 pm

The atmosphere of Tau Boötis b, a large “hot Jupiter” and one of the closest known exoplanets, has been analyzed using a new method that allows its weak planetshine to be [...]

Two Exoplanets Found in Extremely Close Proximity

June 21, 2012, 2:00 pm

NASA’s Kepler mission has revealed a solar system containing two worlds that are the closest known planets.


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