On Dec. 19, 2025, 3I/ATLAS flew by Earth and did more than just give astronomers something to look at; it brought a piece of ...
Sometimes you only need one of these big guys to come your way,” observed Julián Alvarado-Gómez of the Leibniz Institute for Astrophysics Potsdam. These comments evoke the significance of the recent ...
For the first time in the history of observations, astronomers have recorded the merger of three galaxies, each of which ...