The biggest science breakthroughs of 2025

The Science staff named the rise of renewable energy as the 2025 Breakthrough of the Year, but there were many other research advances that caught our attention last year. Here are nine other impactful achievements you might have missed last year.

0:00 2025 Breakthrough of the Year
0:36 Neurons supercharge cancer cells
1:36 Face to face with a Denisovan
2:35 Rice that beats the heat
3:39 Custom gene editing provides promise
4:35 An all-seeing eye on the universe
5:44 Xenotransplants set new records
6:40 Large language models do science
7:51 New tools to fight gonorrhea
8:52 Particle mystery resolved

Read the stories: https://www.science.org/content/article/breakthrough-2025