NASA's James Webb telescope has found rare chemical signatures in interstellar comet 3I/ATLAS, suggesting it formed 10 to 12 billion years ago in the galaxy. Hyderabad: Astronomers using NASA's James Webb Space Telescope have discovered unusual chemical signatures in interstellar comet 3I/ATLAS, suggesting the object may be far older than our solar system and could have formed during one of the universe's... [3343 chars]