alien planets

"This planet is going to be a favorite target of astronomers for years to come."
The new planet is the most like Earth of any discovered so far
The findings were announced Jan. 6 in Seattle at a meeting of the American Astronomical Society. A paper describing the discoveries
The newfound ice giant orbits one star in a binary star system about 25,000 light-years from Earth. About four times more
"With Kepler and Spitzer, we've captured the most precise measurement to date of an alien planet's size, which is critical
"Finding Kepler-421b was a stroke of luck," study lead author David Kipping, of the Harvard-Smithsonian Center for Astrophysics
However, it's unclear at the moment just how much Gliese 832c resembles Earth. Indeed, its discoverers think the newfound
While methane can be produced by geologic sources, the organic compound also could be a sign of biologic activity. That means
BOSTON — A star shining about 2,800 light-years from Earth will chow down on two of its planets millions of years from now
Scientists already know that microbes can survive long stints in space. In fact, some scientists theorize that alien microbes