Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...
The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.
Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels ...
NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with ...
Learn about the latest NASA and ESA images of Comet 3I/ATLAS, showing its brightness and tails of dust and plasma.
Interstellar comet 3I/ATLAS has become the latest flashpoint in a long running argument over how boldly scientists should talk about possible alien technology. While NASA has settled on a cautious, ...