Astronomers using NASA’s Chandra X-ray Observatory have detected an extragalactic candidate planet circling a binary system in Messier 51 (also known...
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...
Because of its proximity to its parent star, the dayside equilibrium temperature of the ultrahot Jupiter WASP-189b reaches 3,162 degrees Celsius (5,724...
Stars with a mass of less than 8 solar masses end their lives as planetary nebulae, structures of ionized gas thrown off by the star and heated by the...
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...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have discovered a Jupiter-sized planet orbiting...
HL Tauri, a young star located 450 light-years away in the constellation of Taurus, is glowing at the center of an system of concentric protoplanetary...
A puffy gas giant slightly larger than Jupiter has been discovered orbiting the early M-type dwarf star TOI-1899, thanks to new data from NASA’s Transiting...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the HARPS fiber-fed Echelle spectrograph mounted at the 3.6-m telescope of ESO’s La Silla...
Extrasolar planets hosted by stars with sufficiently high carbon-to-oxygen ratios could be made of diamonds and silica, according to new research by Arizona...
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and the SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) instrument...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and two ground-based instruments, astronomers have discovered and confirmed a transiting hot...
A team of astronomers in the United Kingdom has used a machine learning algorithm to analyze a sample of candidate exoplanets identified by NASA’s Kepler...
On July 4, 2020, NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its primary mission and is continuing its search for new extrasolar worlds.
An...
Taking advantage of a total lunar eclipse in January 2019, astronomers using the NASA/ESA Hubble Space Telescope have measured the amount of ozone in the...
Astronomers using NSF’s Very Long Baseline Array, a continentwide system of 10 radio telescope antennas located between Hawaii and Puerto Rico, have...
Other stars could have as many as seven Earth-like planets in the absence of farther out giant planets, according to a new study led by the University...
Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and the Next-Generation Transit Survey (NGTS), astronomers have discovered a transiting...