Multiwavelength observations from the NASA/ESA Hubble Space Telescope and Gemini Observatory combined with close-up views from NASA’s Juno spacecraft...
Using the High-Resolution Echelle Spectrometer (HIRES) instrument on the 10-m Keck I telescope at W.M. Keck Observatory, astronomers have discovered a...
A team of planetary researchers from the United States and the United Kingdom has created a 2D map of densities and temperatures in Saturn’s thermosphere...
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...
A team of astronomers in Japan has demonstrated that systems can form that have only one large moon, such as Titan around Saturn, around a gas giant.
An...
Super-puffs, an intriguing, growing class of exoplanets, are the objects with exceptionally large radii for their masses and thus correspondingly low densities....
Water makes up about 0.25% (almost three times that of the Sun) of the molecules in Jupiter’s atmospheric molecules at the gas giant’s equator, according...
Astronomers using data from ESA’s Gaia star-mapping satellite have discovered a newborn gaseous exoplanet closer to Earth than any other of similarly...
Using the 10-m Keck II telescope at the W.M. Keck Observatory and Subaru Telescope, a team of astronomers has studied the orbits of 27 long-period giant...
At the end of its mission in 2017, NASA’s Cassini spacecraft performed a set of ‘Grand Finale’ orbits bringing it closer to Saturn than ever before....
A new study, published in the journal Nature Astronomy, suggests that our young Solar System’s protoplanetary disk was divided into two regions: on the...
Using NASA’s Transiting Exoplanet Survey Satellite, the agency’s Spitzer Space Telescope and other facilities, astronomers have discovered a compact...
Using NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have observed the transits of two hot-Jupiter...
An international team of astronomers has discovered a warm giant exoplanet orbiting the bright star TOI-677.
An artist’s impression of the warm Jupiter...
NASA’s Juno spacecraft spied the new Jovian cyclone on November 3, 2019, during its 23rd science pass of the gas giant.
A series of JunoCam images from...
In a study published recently in the Astrophysical Journal Letters, a team of astronomers analyzed spectroscopic atmospheric data from 19 exoplanets, ranging...
There isn’t a strong correlation between gas giant and host star compositions when it comes to elements heavier than hydrogen and helium, according to...
