When the object now known as 1I/ʻOumuamua streaked through the inner Solar System in 2017, it instantly rewrote the playbook ...
A stray comet will make its closest approach to Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass ...
As the interstellar object 3I/ATLAS prepares for its close flyby of Earth, debate over its origins and behavior has intensified, with scientists sharply divided over whether the mysterious visitor is ...