Current theories predict that low-mass stars should rarely host planets with masses exceeding that of Neptune (17 Earth masses).
An artist’s impression...
Aside from the Moon, the brightest object in our night sky is planet Venus, whose thick cloud layer reflects around 75% of the Sun’s light. By comparison,...
NASA’s Kepler space telescope was responsible for the discovery of over 2,700 confirmed extrasolar planets, more than half of the total number of exoplanets...
Astronomers have discovered an ultra-short-period Neptune-sized exoplanet orbiting the bright Sun-like star LTT 9779.
An artist’s impression of the ultrahot...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and two ground-based instruments, astronomers have discovered and confirmed a transiting hot...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) and Spitzer Space Telescope have discovered a planet about the size of Neptune...
Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and three ground-based spectrographs, astronomers have discovered an ultra-short-period...
A Neptune-like exoplanet orbits an Earth-sized white dwarf star called WD J091405.30+191412.25 (WD J0914 for short) once every 10 days, leaving a comet-like...
An international team of astronomers has discovered a Neptune-sized exoplanet orbiting NGTS-4, a K-dwarf star located 922 light-years from Earth. Named...
Extrasolar ‘Neptunes’ are exoplanets with masses and radii similar to those of the ice giants in the Solar System. In 2015, astronomers using the NASA/ESA...
An international team of astronomers has detected helium escaping from the upper atmosphere of HAT-P-11b, a Neptune-mass exoplanet located in the constellation...
Gaseous planets with helium-rich atmospheres may be common in our Galaxy, according to a new study accepted for publication in the Astrophysical Journal...
A team of astronomers from the United States, Chile and Europe has detected water vapor in the atmosphere of a Neptune-sized extrasolar planet known as...
