Dust measurements of the interstellar object 3I/ATLAS provide constraints on its nucleus size, indicating a minimum radius of 1 km for a natural comet, as reported by Avi Loeb.
Using the James Webb Space Telescope (JWST), an international team of astronomers has observed an elliptical galaxy known as ...
Puzzling problem: Karsten Schuhmann (left) and Aldo Antognini of the Paul Scherrer Institute inspect the laser system that was used for the laser spectroscopy measurements on muonic deuterium.