2025 was a year of cosmic discoveries. Here’s a look back at 6

From the interstellar 3I/ATLAS comet to signs of life on Mars, here’s a look back at the biggest cosmic discoveries of 2025.

​ From the interstellar 3I/ATLAS comet to signs of life on Mars, here’s a look back at the biggest cosmic discoveries of 2025. USA TODAY – Breaking News and Latest News Today Read More