Current theories predict that low-mass stars should rarely host planets with masses exceeding that of Neptune (17 Earth masses).
An artist’s impression...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite have discovered a sub-Neptune exoplanet orbiting TOI-220, a bright and old K-type dwarf...
Astronomers have discovered a super-Earth exoplanet orbiting a dwarf star or a brown dwarf around 7,580 parsecs (24,723 light-years) from Earth.
An artist’s...
Using high-resolution spectroscopic observations from the High-Resolution Echelle Spectrometer (HIRES) on the 10-m Keck I telescope at the W. M. Keck Observatory,...
Astronomers have discovered a frozen exoplanet nearly the size of Neptune orbiting the quiet G9-type dwarf star K2-263.
An artist’s impression of the...
Astronomers using data from NASA’s Kepler K2 mission have discovered two new planetary systems, one of which contains two super-Earths and the other...
Using a planet-hunting technique called gravitational microlensing, astronomers have detected an Earth-mass planet orbiting an ultracool dwarf 12,750 light-years...
A team of astronomers led by Dr. Michaël Gillon from the University of Liège has discovered three Earth-sized exoplanets around a nearby ultracool dwarf...
Astronomers using NASA’s flagship space telescopes, Kepler and Spitzer, have discovered a raging, giant storm on a cool Jupiter-size star called W1906+40.
The...
