Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting multi-planetary system around a nearby red dwarf (M-dwarf)...
The pressure and temperature conditions at which iron melts are important for rocky planets because they determine the size of the liquid metal core, an...
The super-Earth HD 3167b is close to orbiting within the stellar equatorial plane, while the mini-Neptune HD 3167c orbits above the poles of the host star,...
Hycean worlds are composed of water-rich interiors with massive oceans underlying hydrogen-rich atmospheres; with densities between those of rocky super-Earths...
The L 98-59 planetary system contains two non-transiting planets and three transiting terrestrial planets, one of which is a warm rocky world with half...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered four exoplanets orbiting TOI-2076 and TOI-1807, a pair of related...
Using the NASA/ESA Hubble Space Telescope, astronomers have found evidence of volcanic activity reforming the atmosphere of Gliese 1132b, a rocky exoplanet...
Astronomers from the CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) consortium...
LHS 3844b’s hemispheric tectonics is the direct consequence of a significant temperature contrast between its day- and nightside and is absent in the...
A team of astronomers from Spain, Italy and Germany has discovered a short-period super-Earth exoplanet circling the nearby red dwarf Gliese 740.
An artist’s...
Astronomers using ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) have discovered a fifth planet around the bright, Sun-like star HD 108236.
An artist’s...
The TOI-178 planetary system, a 7.1-billion-year-old system of six planets in the super-Earth to mini-Neptune range, five of which are locked in a rare...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite and the High Resolution Echelle Spectrometer on the Keck I telescope at the W. M. Keck...
Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered two exoplanets transiting inactive red dwarf stars TOI-122...
In a new study published in the Astrophysical Journal Letters, astronomers investigated the effects the activity of the red dwarf star Proxima Centauri...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations...
Barnard’s star, a 10-billion-year-old red dwarf just 6 light-years from Earth, is still very active and potentially destructive for the atmospheres of...