Astronomers Discover and Directly Image Third Planet in Beta Pictoris System
Named Beta Pictoris d, the newly-discovered world is 100 times fainter than Beta Pictoris b — the first…
Astronomers Probe Chemistry of Giant Exoplanet Beta Pictoris b
Using the upgraded GRAVITY+ instrument on ESO’s Very Large Telescope Interferometer (VLTI), astronomers have measured the ratio of…
James Webb Space Telescope Finds a Hot Jupiter Roasting on a 111-Day Skewer
Comparison of best-fit size of the exoplanet HD 80606 b with Jupiter. Credit: Wikimedia Commons Jupiter’s cloud tops hover around –145°C.…
Jupiter Accelerates Electrons to Near-Light Speed, Offering Clues to Cosmic Ray Origins
The giant planet’s bow shock isn’t just deflecting the solar wind, it’s acting as a powerful particle accelerator,…
Astronomers Detect Clearest Signs Yet of Magnetic Fields on Extrasolar Planets
By tracking fierce winds racing through the atmospheres of seven ultra-hot Jupiters, astronomers have uncovered the strongest evidence…
Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b
Using spectral data from the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers analyzed the…
Earth’s Building Blocks Came from Close to Home, Planetary Scientists Say
A new analysis of isotopic signatures across planets and meteorite parent bodies suggests our home world formed entirely…
Webb Captures Io’s and Europa’s Auroral Footprints in Jupiter’s Atmosphere
The NASA/ESA/CSA James Webb Space Telescope conducted a clockwise scan around the entire limb of Jupiter, chasing aurora…
Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in…
Enceladus Plays Bigger Role in Shaping Saturn’s Space Environment than Previously Thought
A new analysis of data from four instruments aboard NASA’s Cassini spacecraft has demonstrated the crucial role that…
Jupiter is Smaller and More ‘Squashed’ than Previously Believed, New Juno Data Reveal
Using high-precision radio-occultation measurements from NASA’s Juno mission and incorporating the effects of zonal winds, planetary scientists derived…
Webb Detects Giant Clouds of Helium Leaking from WASP-107b
Using high-precision spectroscopic observations from the Near Infrared Imager and Slitless Spectrograph (NIRISS) onboard the NASA/ESA/CSA James Webb…