Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun ...
Scientists measured mass and distance of free floating planet drifting through space without star for first time.
In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...
The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...
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