Sep 18, 2019 by News Staff

A team of astrophysicists from Columbia University proposes that the strange long-term dimming of the KIC 8462852 star (also known as Tabby’s star or...

Sep 12, 2019 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have detected water vapor in the atmosphere of K2-18b, a planet of eight Earth masses in the habitable...

Sep 3, 2019 by Natali Anderson

Astronomers from the Red Dots Collaboration have detected three rocky exoplanets orbiting Gliese 1061, which is the 20th nearest star to the Sun. The outermost...

Aug 29, 2019 by News Staff

The temperature on the nightsides of short-period gas giants (hot Jupiters) is surprisingly uniform, suggesting the dark sides of these exoplanets have...

Aug 29, 2019 by News Staff

Using data from several ground-based telescopes, astronomers found that a nearby star called HR 5183 hosts a giant planet with an orbital period of between...

Aug 26, 2019 by News Staff

In a new study, University of Chicago researcher Stephanie Olson and colleagues modeled climates and ocean habitats of different types of extrasolar planets...

Aug 21, 2019 by Enrico de Lazaro

Using data from ESO’s High Accuracy Radial Velocity Planet Searcher (HARPS) instrument, a multinational team of astronomers has uncovered evidence for...

Aug 20, 2019 by News Staff

LHS 3844b, a 1.3-Earth-radii terrestrial world in an 11-hour orbit around the small nearby star LHS 3844, very likely has little to no atmosphere and could...

Aug 14, 2019 by News Staff

Powerful flares from M-type stars (red dwarfs) — once thought to destroy life on their planets — might help uncover hidden biospheres; their...

Aug 1, 2019 by News Staff

WASP-121b is about two times bigger than Jupiter and 1.2 times more massive. Discovered in 2016, the planet is located 881 light-years away in the constellation...

Aug 1, 2019 by News Staff

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have discovered three small exoplanets...

Jul 29, 2019 by News Staff

NASA’s Transiting Exoplanets Survey Satellite (TESS) has discovered over two dozen extrasolar planets and captured data on other astronomical events...

Jul 25, 2019 by News Staff

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered an exoplanet planet larger than Neptune but smaller than Saturn...

Jul 23, 2019 by News Staff

Hot Jupiters — massive gaseous exoplanets orbiting close to their host stars — have surprisingly powerful magnetic fields, many times stronger...

Jul 18, 2019 by News Staff

Ploonets — large regular moons ejected from orbits around close-in gas giant exoplanets — could explain many baffling astronomical observations,...

Jul 17, 2019 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a terrestrial planet orbiting a star in the triple-star system...

Jul 16, 2019 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted a circumplanetary disk around a still-forming gaseous exoplanet...

Jul 3, 2019 by News Staff

Astronomers are curious about the two recently-discovered classes of planets not found in the Solar System: the so-called super-Earths and sub-Neptunes,...

Jul 1, 2019 by News Staff

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered three small planets orbiting a bright M-dwarf star called L 98-59....

Jun 20, 2019 by Enrico de Lazaro

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