Rocket Lab is scheduled to launch four "DiskSats" for the U.S. Space Force at midnight on Thursday (Dec. 18), and you can watch the action live.
Interstellar comet 3I/ATLAS was first detected on July 1st 2025 as it approached the Sun. Multiple telescopes, including the Very Large Telescope, the Hubble Space Telescope, and the James Webb Space Telescope have taken turns observing the comet as it continued on its hyperbolic trajectory out of the Solar System. It reached solar conjunction on October 21st, and on October 29th it came closest to the Sun.

