Sirius is the brightest star in Earth's sky because of how close it is to us. It's so bright you might see glints of different colors flashing from it.
When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life?
We will have 5 new supermoons in a row, starting on January 11, 2024. The April 8, 2924, new supermoon will result in the April 8, 2024, total solar eclipse!