May 10, 2022 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting multi-planetary system around a nearby red dwarf (M-dwarf)...

Feb 4, 2022 by News Staff

Astronomers have identified two mini-Neptune exoplanets — TOI-560b and HD 63433c — that are losing their puffy atmospheres and likely transforming...

Jan 13, 2022 by News Staff

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...

Nov 11, 2021 by News Staff

The thickness of the brittle lithosphere — the outer portion of a planetary body that fails via fracturing — plays a key role in the geological...

Nov 2, 2021 by Natali Anderson

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,...

Aug 26, 2021 by News Staff

Hycean worlds are composed of water-rich interiors with massive oceans underlying hydrogen-rich atmospheres; with densities between those of rocky super-Earths...

Aug 6, 2021 by Natali Anderson

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...

Jul 14, 2021 by News Staff

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered four exoplanets orbiting TOI-2076 and TOI-1807, a pair of related...

Mar 16, 2021 by News Staff

Data suggest that 80% of ‘hot’ rocky exoplanets — rocky planets with orbital period less than 100 days — formed as gas-rich sub-Neptunes...

Mar 11, 2021 by News Staff

Using the NASA/ESA Hubble Space Telescope, astronomers have found evidence of volcanic activity reforming the atmosphere of Gliese 1132b, a rocky exoplanet...

Mar 5, 2021 by News Staff

Astronomers from the CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) consortium...

Mar 4, 2021 by News Staff

LHS 3844b’s hemispheric tectonics is the direct consequence of a significant temperature contrast between its day- and nightside and is absent in the...

Feb 22, 2021 by Natali Anderson

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...

Jan 29, 2021 by Natali Anderson

Astronomers using ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) have discovered a fifth planet around the bright, Sun-like star HD 108236. An artist’s...

Jan 25, 2021 by News Staff

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...

Jan 13, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite and the High Resolution Echelle Spectrometer on the Keck I telescope at the W. M. Keck...

Dec 14, 2020 by Natali Anderson

Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered two exoplanets transiting inactive red dwarf stars TOI-122...

Dec 1, 2020 by Natali Anderson

In a new study published in the Astrophysical Journal Letters, astronomers investigated the effects the activity of the red dwarf star Proxima Centauri...

Nov 16, 2020 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations...

Nov 2, 2020 by News Staff

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...