| Years in science: | 2017 2018 2019 2020 2021 2022 2023 |
| Centuries: | 20th century · 21st century · 22nd century |
| Decades: | 1990s 2000s 2010s 2020s 2030s 2040s 2050s |
| Years: | 2017 2018 2019 2020 2021 2022 2023 |
| |||
|---|---|---|---|
| +... |
| 2020 in science |
|---|
| Fields |
| Technology |
| Social sciences |
| Paleontology |
| Extraterrestrial environment |
| Terrestrial environment |
| Other/related |
A number of significant scientific events occurred in 2020.