Astronomers have identified a newly discovered exoplanet that may orbit within the outer edge of its star's habitable zone, ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Scientists may need to broaden their horizons in their search for alien life.

"A strong magnetic field is very important for life on a planet." ...

Add Yahoo as a preferred source to see more of our stories on Google. In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely ...

A recent study of an exoplanet 120 light-years away revealed it has elements that are believed to be essential in the formation of life. NASA studied K2-18 b, an exoplanet 8.6 times as massive as ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

The first Earth-size planet orbiting a star in the "habitable zone"—the range of distance from a star where liquid water might pool on the surface of an orbiting planet. Credit: NASA Ames/SETI ...

It's hard to remember now, but there was a long period of time in which scientists weren't sure how many planets might actually exist throughout the galaxy, much less how likely it might be to find a ...