A comet older than our Solar System is within backyard astronomers’ reach. Comet 3I/ATLAS, a rare interstellar visitor discovered in July 2025 by the NASA-funded ATLAS survey in Chile, has emerged ...
Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be ...
Two weeks ago, interstellar comet 3I/ATLAS was at conjunction, on the opposite side of the Sun with respect to Earth. Last week, it reached perihelion, the closest point it would ever get to the Sun.
Struggling to get your stars in focus or your images sharp? Backfocus might be the problem. In this episode of ...