The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...
The astronomer used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to make the observations.
Our solar system is speeding through the galaxy at more than three times the velocity scientists once believed, according to a new peer-reviewed study. The findings,released in November 2025, could ...
ALMA reveals unusual “alien” water in interstellar comet 3I/ATLAS, showing it formed in an extremely cold, distant star ...
The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...
CAPE CANAVERAL, Fla.(AP) — NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar system. Discovered over the summer, the comet ...
A team of astronomers at the National Observatory in Brazil have found a pair of rings around an asteroid orbiting between Saturn and Uranus named Chariklo. While not as dazzling as Saturn’s rings, it ...