Aug 19, 2025 by News Staff

Named UPM J1040-3551 AabBab, the newly-discovered quadruple star system consists of a pair of cold brown dwarfs and a pair of young red dwarfs. An artist’s...

Aug 13, 2025 by News Staff

A protective atmosphere, a friendly Sun, and lots of liquid water — Earth is a special place. Using the unprecedented capabilities of the NASA/ESA/CSA...

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...

Jun 4, 2025 by News Staff

The discovery of TOI-6894b — an exoplanet around 86% the size of Jupiter in orbit around a 0.2-solar-mass red dwarf — highlights the need for...

Mar 24, 2025 by News Staff

Proxima Centauri’s flaring activity has been well known to astronomers using visible wavelengths, but new observations with the Atacama Large Millimeter/submillimeter...

Mar 12, 2025 by News Staff

Astrophysicists have found that a recently-discovered transient radio source, ILT J110160.52+552119.62, whose roughly minute-long pulses arrive with a...

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...

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 17, 2024 by News Staff

A warm-Neptune exoplanet called GJ 3470b (Gliese 3470b) is 96 light-years away and circles a 2-billion-year-old red dwarf star in the general direction...

Jun 6, 2024 by News Staff

Very-low-mass stars host orbiting rocky exoplanets more frequently than other types of stars. The compositions of those planets are largely unknown but...

May 23, 2024 by News Staff

Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and many other telescopes, two teams of astronomers have discovered a temperate, Earth-sized...

May 15, 2024 by Natali Anderson

Ultracool dwarf stars are widespread in the solar neighborhood. Nevertheless, their extremely low brightness has left their planetary population largely...

Feb 5, 2024 by Natali Anderson

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered and characterized a habitable zone planet orbiting the...

Nov 30, 2023 by Natali Anderson

Current theories predict that low-mass stars should rarely host planets with masses exceeding that of Neptune (17 Earth masses). An artist’s impression...

Nov 16, 2023 by Natali Anderson

LTT 1445Ac, a terrestrial planet in the triple star system LTT 1445, is only 1.07 times the size of Earth, according to a paper to be published in the...

Nov 15, 2023 by News Staff

In a paper published in the Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences, researchers at the University of Cambridge...

Sep 27, 2023 by Natali Anderson

TRAPPIST-1 is a nearby system of seven Earth-sized, temperate, rocky exoplanets transiting a Jupiter-sized ultracool red dwarf, ideally suited for in-depth...

Sep 19, 2023 by Natali Anderson

HIP 81208 is the first binary stellar system with substellar companions around each stellar component ever found by direct imaging. Astronomers thought...

Sep 11, 2023 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered carbon dioxide and methane in the atmosphere of the habitable zone exoplanet...

Aug 4, 2023 by Enrico de Lazaro

Using data from TRAPPIST-South/North, SPECULOOS, and MuSCAT3 facilities, astronomers have discovered an unusual Jupiter-sized exoplanet orbiting the red...