Suez Canal shutdown, volcano eruptions and a flood in Australia round out this week's best images.
These labour, delivery and postpartum photos capture the vulnerability of birth.
The Obamas, Bushes and Clintons are among the guests.
There will never be another year like this one.
Joe Biden will be the 46th president of the United States.
Protests in Thailand, a moonrise in New York City and a Supreme Court nominee round out this week's best images.
Abandoned public places, empty shops and extreme sanitation are visible in photos from around the globe.
"I loved my birth experience. Nothing was stolen from me."
A picture from University of Washington's archives has people joking the teen climate activist is a time-traveller here to "save us."
Autumn in Germany, Mercury in transit and an animatronic dinosaur round out this week's best images.