Scientists have discovered a hidden planetary system that was shrouded in the arms of Cassiopeia, just 21 light-years away from Earth.
Scientists have discovered a new, Uranus-sized planet with the help of gravitational microlensing.
Yuri Milner, the Russian billionaire, has funded a hunt for alien life. Now, he's offering a 100 million dollar prize to craft the best message to send to an extraterrestrial civilization.
NASA's Kepler Mission has officially discovered the first near-Earth-size planet in the "habitable" zone around its sun-like star.
We may be on the trail of aliens. Renowned physicist Stephen Hawking has teamed up with a Russian billionaire to launch a new effort to listen for aliens in the search of extraterrestrial life.
Astronomers may have discovered a Jupiter-like planet orbiting a sun-like star that could, potentially, signal other systems like our own solar system.
Astronomers have discovered a plethora of planets around binary star systems, which could mean that habitable planets with two "suns" may not just be in the realm of science fiction.
Almost 2,000 exoplanets have been discovered to date. But how many of these planets are habitable, and how can we find out?
Astronomers may have spotted a string of baby planets. They've found a ring of rocks circling a very young star, which could be the very beginnings of planet formation.
Scientists may have observed the birth of a planet. Researchers have used data from the Very Large Telescope (VLT) to watch a young gas planet orbiting a star designated HD 100546.
Old stars may have Earth-like planets. A new study of 33 Kepler stars with solar-like oscillations have shown the ages of sun-like stars with Earth-like planets.