Comet 3I/ATLAS' CO₂-rich coma offers new clues about distant star systems, revealed through NASA and ESA ultraviolet, X-ray, ...
The interstellar comet 3I/ATLAS has already rewritten the rulebook on what a visitor from deep space can look like, and now ...
Astronomers using the James Webb Space Telescope have uncovered a distant world that looks and behaves nothing like the ...
Astronomers believe the solar system's early days were a cosmic bumper-to-bumper, with planetesimals, asteroids, and comets ...