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The findings lend support to the hope that somewhere up in the night sky is an Earth-like world.
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.
NASA's Chandra X-ray Observatory captures the first-ever X-ray of an exoplanet passing in front of its parent star in a system that is 63 light-years from Earth.
Crave's Eric Mack recently trekked to the top of Hawaii's Mauna Kea volcano to visit one of the most advanced observatories on Earth, the "eyes of humanity" in the middle of the Pacific.
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.
Kepler-186f orbits an M dwarf star in the constellation Cygnus. More importantly, it's the first confirmed Earth-size, potentially habitable planet elsewhere in the universe.
Two studies suggest distant worlds have atmospheres with water, but some aren't places you'd want to visit anytime soon.
You may think this planet is overpopulated or you may just be sick of the partisan politics. In either case, HD 40307g is an attractive getaway.
Astronomers have made a crude thermal map of an extrasolar world they cannot yet see, confirming that violent winds rapidly whip around the planet.