The habitable zone for complex life ... This narrower zone excludes many exoplanets including Proxima Centauri b and TRAPPIST-1 planets e, f and g (black dots). Disclaimer: AAAS and EurekAlert!

The Hubble Space Telescope captured a stunning view of the bright Alpha Centauri A (on the left) and Alpha Centauri B (on the right ... situated inside the habitable zone (that sweet spot ...

some of which might contain our first look at Proxima Centauri's potentially habitable planet. While Lubin stressed that a ...

This is the closest such planet ever discovered, and furthermore, it is within the habitable zone in its own solar system ... which would be able to travel to the Alpha Centauri system to seek ...

one of which is so tantalizingly similar to our sun that many experts speculate that its solar system might contain habitable planets. But Alpha Centauri is about 4.3 light-years, or 25 trillion ...