Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected doubly deuterated water (D2O), or ‘heavy water,’ in the protoplanetary...
During its closest approach to Mars on October 3, 2025, 3I/ATLAS was 30 million km away from ESA’s ExoMars Trace Gas Orbiter (TGO).
This image of the...
Tektites are nearly pure glasses (practically no crystalline inclusions) created when a space rock slams into Earth, melting surface material and hurling...
After 1I/ʻOumuamua and 2I/Borisov, 3I/ATLAS is the third object and the second comet from outside the Solar System confirmed.
This image from the Multi-Object...
Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope at NSF’s International Gemini Observatory in the Chilean Andes, astronomers...
Planetary researchers at Southwest Research Institute has completed a study detailing how a proposed spacecraft could fly by an interstellar comet, providing...
According to an analysis of the new images from the NASA/ESA Hubble Space Telescope, the nucleus of 3I/ATLAS is between 320 m (1,000 feet) and 5.6 km (3.5...
Astronomers using the Gemini North telescope at NSF’s International Gemini Observatory have captured 3I/ATLAS as it makes its temporary passage through...
Astronomers using ESO’s Very Large Telescope (VLT) have captured new images of 3I/ATLAS, the third interstellar object ever observed.
This VLT/FORS2...
3I/ATLAS is only the third object of its kind ever observed, following the interstellar asteroid 1I/ʻOumuamua in 2017 and the interstellar comet 2I/Borisov...
After the interstellar asteroid 1I/ʻOumuamua and the interstellar comet 2I/Borisov, 3I/ATLAS is the third object and the second comet from outside the...
Ceres is the largest object in the main asteroid belt, and the only potential ocean world in the inner Solar System.
A global scan for organic-rich sites...
Dark comets are small bodies with no detected coma that have significant accelerations explainable by outgassing of volatiles, analogous to the first interstellar...
Contradicting the results of several recent studies, the new findings reopen the case that Jupiter-family comets like 67P/Churyumov-Gerasimenko could have...
456P/PANSTARRS, an active, main-belt asteroid first spotted in 2021, is recurrently active, and activity is likely driven by the sublimation of volatile...
A bright comet from the Oort cloud named C/2023 A3 (Tsuchinshan-ATLAS) is passing by Earth and will be visible through the second half of October 2024.
This...
Astronomers using the Zwicky Transient Facility (ZTF) have investigated the Taurid resonant swarm, a large interplanetary system that contains comet 2P/Encke,...
