February 24

Russia launched a full-scale invasion of Ukraine, causing a major escalation in the war that started between the two countries in 2014.

March 2

Representatives from 175 countries gathered in Nairobi, Kenya. Together, they pledged to develop by 2024 an internationally-binding legal agreement whose objective is to definitively end plastic pollution.

March 9

In the depths of the Antarctic Weddell Sea, nearly two miles below sea level, a team of researchers found the wreck of Endurance—the ship used during Ernest Shackleton’s expedition to the continent. Even though 107 years have passed, the barquentine is impeccably preserved; the name on the stern is still legible.

March 21

The number of discovered and confirmed exoplanets has reached beyond five thousand. As for the undiscovered ones, their number in the Milky Way is