For thousands of years people wondered whether other stars have planets too. The first ones were found only about 30 years ago. Today more than 6,000 are confirmed: scorching giants, lava worlds and maybe ocean worlds. Somewhere among them there could be a planet like Earth.
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01PSR B1257+12 planetsPulsar planets · The very first exoplanets
0251 Pegasi bHot Jupiter · First planet around a Sun-like star
03HD 209458 b (Osiris)Hot Jupiter · First planet seen crossing its star
04TRAPPIST-1Star system · Seven Earth-sized planets
05Kepler-186fRocky planet · First Earth-sized world in a habitable zone
06K2-18 bSub-Neptune · An ocean world?
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