Jan 17, 2022 by News Staff

Astronomers have obtained 12 new high-precision transit observations of WASP-103b — a planet almost twice the size of Jupiter with 1.5 times its...

Jan 14, 2022 by News Staff

In their hunt for elusive exomoon candidates, astronomers have looked at 70 cool gas giants found by NASA’s Kepler space telescope. They’ve found only...

Jan 10, 2022 by Natali Anderson

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based facilities, astronomers have discovered a long-period sub-Neptune...

Dec 13, 2021 by News Staff

A team of professional astronomers and citizen scientists from the Backyard Worlds: Planet 9 project has discovered a planetary-mass object co-moving with...

Dec 9, 2021 by Enrico de Lazaro

Named b Centauri (AB)b (or b Centauri b), the newfound exoplanet is estimated to be only 15 million years old and 10 times the mass of Jupiter, according...

Nov 29, 2021 by Natali Anderson

With an extremely short orbital period of 0.67 days (16 hours), the newly-discovered ultrahot Jupiter — named TOI-2109b — has the shortest...

Nov 24, 2021 by News Staff

Using photometric data from NASA’s Kepler/K2 mission, astronomers have identified 747 unique planet candidates and 57 multiplanet systems; of these candidates,...

Nov 23, 2021 by News Staff

Using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton satellite, astronomers have investigated unusual X-ray activity in three white dwarfs:...

Nov 19, 2021 by News Staff

Hubble’s snapshots of the outer Solar System’s planets — Jupiter, Saturn, Uranus, and Neptune — reveal both extreme and subtle changes...

Nov 1, 2021 by Natali Anderson

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

Nov 1, 2021 by News Staff

Juno launched on August 5, 2011 and successfully entered Jupiter’s orbit on July 4, 2016. During each of the spacecraft’s 37 passes of Jupiter to date,...

Oct 29, 2021 by News Staff

Using the Immersion GRating INfrared Spectrometer (IGRINS) at the Gemini South Observatory on Cerro Pachon, Chile, astronomers have measured carbon-to-hydrogen...

Oct 25, 2021 by Enrico de Lazaro

The discovery of a super-Jupiter exoplanet around the M-type dwarf star 2MASS J04372171+2651014 challenges models of planet formation by either core accretion...

Oct 15, 2021 by News Staff

Using a technique called gravitational microlensing, which occurs when a star close to Earth momentarily aligns with a more distant star, astronomers have...

Oct 6, 2021 by News Staff

Using high-resolution spectra obtained with GRACES at the Gemini North Observatory, astronomers have detected ionized calcium in the atmosphere of the...

Sep 28, 2021 by Natali Anderson

Astronomers have discovered a highly-irradiated gas giant exoplanet in close-in, highly misaligned orbit around a bright star called TOI-1518. An artist’s...

Sep 28, 2021 by News Staff

Using data from the WFC3/UVIS instrument on board the NASA/ESA Hubble Space Telescope, a team of astronomers has measured the horizontal winds in Jupiter’s...

Aug 16, 2021 by News Staff

Astronomers using data from NASA’s Cassini spacecraft on ripples in Saturn’s rings have revealed new information about the gas giant’s mysterious...

Aug 5, 2021 by News Staff

The upper atmosphere of Jupiter is hotter than expected from the amount of sunlight that it receives: the average temperature should be about minus 73...

Aug 3, 2021 by Enrico de Lazaro

Astronomers with the COol Companions ON Ultrawide orbiTS (COCONUTS) program have directly imaged a massive exoplanet orbiting the low-mass red dwarf L...