Jul 23, 2025 by Natali Anderson

Named L 98-59f, this planet is a non-transiting super-Earth with a minimal mass of 2.8 Earth masses on a 23-day orbit inside the habitable zone of the...

Mar 11, 2025 by News Staff

For a century, astronomers have been studying Barnard’s star in the hope of finding planets around it. First discovered by E.E. Barnard at Yerkes Observatory...

Feb 18, 2025 by News Staff

Ultrahot Jupiters, an extreme class of planets not found in our Solar System, provide a unique window into atmospheric processes. Using four telescope...

Jan 28, 2025 by Natali Anderson

One of these exoplanets, HD 20794d, is likely to be a rocky planet in the habitable zone of its parent star, the G-dwarf HD 20794. This image shows the...

Nov 28, 2024 by Natali Anderson

The newly-discovered exoplanet orbits TOI-3261 (also known as TIC 358070912), an inactive main-sequence star located 300 parsecs (978.5 light-years) away...

Oct 14, 2024 by News Staff

Using the ESPRESSO instrument on ESO’s Very Large Telescope and the HARPS instrument at ESO’s La Silla 3.6-m telescope, astronomers have detected a...

Oct 1, 2024 by News Staff

An exoplanet at least half the mass of Venus orbits Barnard’s star, the closest single star to the Sun, once every 3.15 days. An artist’s impression...

Jun 13, 2023 by Enrico de Lazaro

Circumbinary planetary systems contain planets that orbit around two stars in the center instead of just one, like in our Solar System. An artist’s rendition...

Dec 20, 2022 by Natali Anderson

The two temperate Earth-mass planets are located within the habitably zone of Gliese 1002, a red dwarf star that lies just 4.84 parsecs (16 light-years)...

Oct 13, 2022 by News Staff

Barium, a chemical element with the symbol Ba and atomic number 56, is the heaviest element detected to date in any exoplanetary atmosphere. This artist’s...

Feb 10, 2022 by Natali Anderson

Using data from the Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations (ESPRESSO) on ESO’s Very Large Telescope (VLT), astronomers...

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 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...

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...

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...

Jun 30, 2020 by News Staff

Using the X-SHOOTER and the ESPRESSO (Echelle Spectrograph for Rocky Exoplanet- and Stable Spectroscopic Observation) instruments on ESO’s Very Large...

Jun 15, 2020 by Sergio Prostak

Astronomers have finally confirmed the existence of two exoplanets — Proxima b and c — orbiting Proxima Centauri, the Sun’s closest stellar...

Mar 11, 2020 by News Staff

WASP-76b, a gas-giant exoplanet located some 640 light-years away in the constellation of Pisces, has a day side where temperatures climb above 2,400 degrees...