A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...
Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...
Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with rocky worlds bookending a pair of gas-rich planets. Around the star LHS ...
Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice ...
Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.