| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| AbC-19 rapid antibody test | UK Rapid Test Consortium | — |
| Aten | Zahi Hawass | ruins |
| Proximity chat | Almas Abulkhairov | Internet genre |
| 2020 FA31 | David J. Tholen | asteroid |
| SN 2020jfo | — | supernova |
| 2020 PN1 | Asteroid Terrestrial-impact Last Alert System | near-Earth object |
| C/2020 S3 (Erasmus) | Nicolas Erasmus | non-periodic comet |
| 2020 VT4 | ATLAS–MLO observatory | near-Earth asteroid |
| (614689) 2020 XL5 | Pan-STARRS | near-Earth object |