Last Updated: Sunday, March 24, 2013, 19:49
All rocky planets develop liquid-water oceans shortly after forming, suggesting that alien worlds potentially teeming with life may be common throughout the Universe, a new study has found.
Last Updated: Wednesday, January 30, 2013, 16:46
The habitable zone defines the region where a planet might be able to retain liquid water on its surface.
Last Updated: Monday, April 30, 2012, 19:20
A sun-like star, which is already known to host five alien planets, may actually have nine full-fledged worlds.
Last Updated: Tuesday, March 20, 2012, 12:23
Computer simulations have offered a plausible explanation for the pile-ups of giant planets in many newly discovered solar systems.
Last Updated: Thursday, March 01, 2012, 18:35
Alien planets would likely have a leap year too similar to the 366-day year that comes in every four years in our calender, scientists say.
Last Updated: Monday, February 13, 2012, 17:07
Some exoplanets may experience powerful tidal forces, which could strip them of water completely.
Last Updated: Friday, October 07, 2011, 17:13
Astronomers have tracked two elusive extrasolar planets that went undetected in image data from NASA’s Hubble Space Telescope for 13 years.
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