Life might have a shot on planets orbiting dim red stars

If exoplanets around M dwarfs host life, it’s probably very different from that on Earth

illustration of trappist system

UNLIKELY WORLDS  TRAPPIST-1 (illustrated) is on a growing list of dim red suns with planets that could support life. Three of its seven planets are in the habitable zone.

JPL-CALTECH/NASA

Our corner of the galaxy teems with alien worlds.