The wackier a planet's wobble, the more likely it could be to sustain life and keep from going full Popsicle, according to new research.
NASA has turned to crowdsourcing for help in its search for embryonic planetary systems that the Hubble can study.
Two studies suggest distant worlds have atmospheres with water, but some aren't places you'd want to visit anytime soon.
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.
In just a few days, Jupiter, Mercury, and Venus will come together in the night sky in what is known as the "Dance of the Planets."
NASA's Hubble Space Telescope has detected faint traces of water in the atmospheres of five faraway worlds.
This story was live briefly with inaccurate information about the number of planets found in the habitable zone of their respective planetary systems. A total of three planets are in the habitable zone.
Thought to have the potential for liquid water, the three planets are close to Gliese 667C, a star about 22 light-years from home.