Washington, DC— Our galaxy’s most abundant type of planet could be rich in liquid water due to formative interactions between ...
Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.
Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.