A newly revealed rocky mega-planet shows the universe was capable of creating extraterrestrial-friendly worlds shortly after the Big Bang.
NASA confirms the discovery of an Earth-sized planet that may have potential for life, but its sun is dimmer than ours. Here's what an evening stroll on a beach on Kepler-186f might be like.
You should't feel as alone today as you did yesterday. NASA says it has confirmed the existence of 715 new exoplanets beyond our solar system, many of them not that different from Earth in terms of size.
The new planet, known as Kepler-413b, has an extremely irregular orbit that seems to move up and down. It also has no surface to stand on.
Google has celebrated the man who first noticed that planets moved around the Sun in an elliptical orbit.
NASA has announced the discovery of 833 new Kepler candidate planets, with the latest findings suggesting the number could be in the billions.
The space agency is giving up on restoring its planet-hunting spacecraft to full operational capability, but that doesn't mean the mission is over just yet.
With a key piece of equipment on the blink, Kepler's mission may be nearing an end. We take a look back at the space telescope's fascinating quest for Earth-like planets.
Kepler's mission to find strange new worlds may be at an end after serious technical failures afflict NASA's famous space telescope.
The question "Is anybody out there?" grows more tantalizing with the discovery of each new far-off planet. CBS Sunday Morning talks to scientists searching for clues.