Uranus and Neptune May Have Taken Different Paths to Becoming Ice Giants
Uranus and Neptune are often described as near-twins, but a new study suggests their chemistry, and possibly their…
Asteroid Bennu may have formed much closer to the Sun than scientists thought
Isotope measurements from asteroid Bennu closely match those of asteroid Ryugu and rare CI carbonaceous chondrites, suggesting all…
Rocky Planets May Have Started Forming Just 100 Million Years after Big Bang
New simulations suggest supernova explosions of the Universe’s first stars scattered the ingredients for rocky planets only 100…
Interstellar Comet 3I/ATLAS Likely Originated in Outskirts of Ancient Planetary System
Astronomers using ESO’s Very Large Telescope (VLT) have measured carbon and nitrogen isotope ratios in 3I/ATLAS, the third…
An Archival Summary: 15 Years Of ALMA Observations On Disks And Planet Formation
Collection of disks with localized asymmetries in the dust continuum emission, shown at the same spatial scale based…
Weighing Newborn Planets Using Their Dusty Fingerprints
Simulation of a planet embedded in a protoplanetary disc, causing disc material to pile up in a ring…
Mysterious dust ring beyond Jupiter formed many of our Solar System’s earliest worlds
In the young Solar System, a dust trap beyond Jupiter may have built wildly different meteorite parent bodies…
Constraints On The Crystallinity Of Water Ice In Planet-forming Disks From Infrared Scattered-Light Spectra
Protoplanetary disk images (top row) and scattered-/transmitted-light spectra (bottom-left and bottom-middle) obtained from the radiative-transfer simulations, together with…
Ancient impact with Theia may have brought water and life to Earth
Earth’s story may have hardened into place almost as soon as the Solar System began. That is 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 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…
Astronomers Spot Largest Protoplanetary Disk Ever Observed around Young Star
The protoplanetary disk around IRAS 23077+6707, a young star located roughly 1,000 light-years away, is unexpectedly chaotic and…