With the help of a three-dimensional map of stars near the sun, astronomers can search for alien planets that might hold life. The map was created by NASA's Chandra X-ray space telescope ...

To succeed, alien hunters will need to find planets with air. And the cosmic shoreline ... that straddle where we think the cosmic shoreline is,” Kempton said, “and map out where that boundary is.” ...

There may be trillions of other planets in our galaxy ... pulled all of that data and compiled it into a short animated map and timeline called "4000 Exoplanets," shown below.

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Scientists have used data from NASA's retired planet-hunting space telescope 'Kepler' to discover that small and large worlds have very different upbringings. The team found that larger planets on ...

"any aliens lurking there". An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found in the Milky Way since the first confirmed ...

Astronomers have announced that the James Webb Space Telescope has successfully captured its first direct images of carbon dioxide gas on a planet beyond our solar system. The findings are both a ...