2021 in science

NASA/ESA/CSA space telescope launched in 2021

hot, water-covered planet with a hydrogen-rich atmosphere that may harbor lifeforms

solar eclipse

future solar eclipse

Total lunar eclipse

overview of science-related events during the year of 2021

Partial lunar eclipse of November 19, 2021

a plan for the future of open access in scholarly publishing

cosmic particle

nova in the constellation Hercules

overview of the events of 2021 in climate change