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...

Aug 2, 2021 by Natali Anderson

Astronomers from the Giant Outer Transiting Exoplanet Mass (GOT ’EM) Survey have discovered a long-period giant planet circling the 7.4-billion-year-old...

Aug 2, 2021 by Enrico de Lazaro

Using the Keck Planet Imager and Characterizer (KPIC) on the Keck II telescope at the W.M. Keck Observatory, astronomers have obtained and analyzed the...

Jul 12, 2021 by News Staff

The rapidly rotating, strong magnetic field of Jupiter provides a natural lab that is key to understanding the dynamics of high-energy plasmas. Spectacular...

Jun 30, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting hot-Jupiter exoplanet around a slightly evolved star...

Jun 11, 2021 by News Staff

Professional astronomers and citizen scientists from the NASA-funded Planet Hunters TESS project have discovered a two-planet system around the bright...

Jun 10, 2021 by Sergio Prostak

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a temperate, Neptune-sized planet orbiting the M-dwarf star TOI-1231. An...

May 24, 2021 by Natali Anderson

The newfound circumbinary planet, named TIC 172900988b, is slightly larger than Jupiter and transits both of its host stars, according to a paper to be...

May 12, 2021 by News Staff

Three images of Jupiter from the 8-m Frederick C. Gillett Gemini North telescope at the Gemini Observatory and the NASA/ESA Hubble Space Telescope show...

May 10, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite have discovered a sub-Neptune exoplanet orbiting TOI-220, a bright and old K-type dwarf...

May 6, 2021 by News Staff

Detailed measurements from the Grand Finale phase of NASA’s Cassini mission revealed distinctive features of Saturn’s magnetic field. These features...

Apr 30, 2021 by Natali Anderson

Astronomers using the NASA/ESA Hubble Space Telescope have imaged a Jupiter-sized, still-forming planet around the orange dwarf star PDS 70. This is the...

Apr 28, 2021 by Natali Anderson

Astronomers have detected a hydroxyl radical (OH) — the neutral form of the hydroxide ion — in the dayside atmosphere of the ultrahot Jupiter...