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
Kepler-438b is located 70 light-years from Earth and orbits its star every 35 days. The CfA astronomers say its diameter
The researchers made the discovery via gravitational microlensing, an observational technique in which gravity from a star
Combined with Kepler-93b's previously computed mass of approximately 3.8 times that of Earth, the refined radius allowed
To be clear, Kepler-421b does not have the longest year of any known alien planet. Many nontransiting worlds have much more
A team led by Robert Wittenmyer, of the University of New South Wales in Australia, discovered Gliese 832c by noticing the
Follow Megan Gannon on Twitter and Google+. Follow us @Spacedotcom, Facebook or Google+. Originally published on Space.com
It's possible that scientists have already found these corpses, orbiting other stars that have already passed the giant phase
Instead, why not just seed the galaxy with tiny organisms designed to recreate our species? Here's how that might work. Based
Rocky planets like Earth, Mars and Venus tend to form relatively close to their parent star, while gas giants like Jupiter
NASA's Kepler space telescope has detected 3,845 candidate exoplanets. Astronomers believe there are at least 100 billion
“I like this paper. It’s a great concept,” says Sara Seager, a planetary scientist at the Massachusetts Institute of Technology
The VLT spotted the molecular fingerprint of carbon monoxide in the giant planet's atmosphere. Further, this carbon monoxide
Creating your own planetary system is fun -- really fun. "Systemic Console is open-source software that we've made available
Called a "starshade," the huge, sunflower-like spacecraft would deploy to its full size in space, blocking the light of distant
"Detailed dynamical studies are now underway, but at the moment we think this shepherding planet would be around Saturn's