The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

NASA/JPL-Caltech This image shows data from NASA’s Spitzer Space Telescope, from the IRAC instrument, with colors corresponding to wavelengths of 3.6, 4.5, 5.8 and 8.0 m (shown as blue, green ...

To propel it through interstellar space, the device would be attached to large, square-shaped sails. In addition to being big, the sails would need to be exceptionally light, and thus very thin.