The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.
When an asteroid slammed into what is now Lake Lappajärvi in Finland some 78 million years ago, it unleashed unimaginable ...
What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned ...