Pope Francis has died after leading the Roman Catholic Church for more than a decade. His last public appearance was on the balcony of the Vatican's St Peter’s Basilica on Sunday to wish “Happy Easter” to thousands of worshippers. The Pope, in a wheelchair, waved to cheering crowds in St Peter’s Square below.

Following are some of the major events of the life and ministry of Pope Francis, who has died at the age of 88.

Key events in the life of Jorge Mario Bergoglio, who became Pope Francis and died on Monday: Dec. 17, 1936: Jorge Mario Bergoglio is born in Buenos Aires, Argentina, the eldest of five children to Mario Jose Bergoglio,

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat, uncover why Earth is peeling, and more.

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.