Jupiter's early migration through the inner solar system caused gravitational mayhem, but it ultimately settled to allow Earth to form in a relatively quiet neighborhood.
A study based on 151 multi-planetary systems found by NASA's Kepler space telescope shows that most have a planet -- or two or three.
Does it exist or not? Astronomers are claiming that the potentially habitable exoplanet is just noisy data, while others say it's too early to discount the existence of Gliese 581d.
For only the second time, an exoplanet living with an expansive family of four stars has been revealed.
A new study has taken a look at the gas giant from a whole different perspective -- as an alien, living far beyond the solar system, would see it.
By watching how an exoplanet orbiting the star Beta Pictoris interacts with circumstellar dust, astronomers are beginning to understand how to look for the dusty fingerprints of hidden alien worlds. Continue reading →
New research suggests that the frozen cores of 'mini-Neptunes' could be transformed into habitable worlds with a little help from their red dwarf hosts.
Astronomers have found an ancient, more compact version of our solar system, which could have implications for the search of extraterrestrial life.
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