The discovery of a Neptune-mass exoplanet orbiting the very low-mass M dwarf star LHS 3154 challenges theoretical models of planet formation, according to a new study. The planet, which has a mass at ...
Astronomers have made the rare discovery of a small, cold exoplanet and its massive outer companion -- shedding light on the formation of planets like Earth. Astronomers have made the rare discovery ...
A team of astronomers has confirmed the existence of a young planet, only 11 million years old, that orbits very close to its star (at 0.05 AU), with an orbital period of 5.4 days. Approximately 5 ...
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