Sep 4, 2023 by Enrico de Lazaro

Astronomers believe the peculiar composition of the Neptune-sized planet TOI-1853b is the result of a giant planetary clash. Heavy elements dominate the...

Aug 31, 2023 by Natali Anderson

Astronomers report the discovery and validation of two long-period giant exoplanets orbiting the K-dwarf star TOI-4600, first detected using observations...

Feb 23, 2022 by Natali Anderson

Kepler-16b, a rare exoplanet that orbits around two stars, has been detected using the SOPHIE spectrograph at the 1.93-m telescope of the Observatoire...

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...

May 10, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite have discovered a sub-Neptune exoplanet orbiting TOI-220, a bright and old K-type dwarf...

Mar 9, 2021 by Natali Anderson

Five sub-Neptunes and one super-Earth exoplanet orbit a moderately bright K-type star called K2-138. An artist’s impression of the six-planet system...

Oct 5, 2020 by News Staff

A team of geobiologists and astronomers from the United States and Germany has identified 24 extrasolar planets that may have conditions more suitable...

Sep 21, 2020 by Natali Anderson

Astronomers have discovered two planets orbiting a bright dwarf star in the binary stellar system Gliese 414. An artist’s impression of the Gliese 414...

Apr 14, 2020 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a planetary system of two giant planets — a Neptune-sized...

Mar 11, 2019 by News Staff

K-type dwarf stars are dimmer than the Sun but brighter than the faintest stars. These stars live a very long time — 17 billion to 70 billion years,...