Florida Keys residents say they feel a strong sense of community and see a fast recovery as restaurants reopen and cleanup crews remove debris caused by the powerful storm that struck the state on September 10.

It has been called Japan's underground "Parthenon," a cavernous complex charged with protecting Tokyo from catastrophic flooding -- a risk experts warn is growing as the climate changes.

Greta Thunberg attends a climate strike outside the Swedish parliament in Stockholm ahead of the announcement in Oslo of the Nobel Peace Prize, for which the climate activist was seen as a possible laureate.

Exceptionally well-preserved human brain cells were discovered in the remains of a victim who was killed by the eruption of Italy's Mount Vesuvius nearly 2,000 years ago, according to an article published in the magazine PLOS ONE. The cells were taken from the remains of a vitrified brain at the archaeological site of Herculaneum, near Pompei, an ancient city in southern Italy buried under volcanic rock in 79 AD. The victim is a young man in his twenties, whose body was found lying on a wooden bed during excavations in the 1960s.

Elon Musk's SpaceX launches a Falcon 9 rocket transporting 60 Starlink internet satellites from the Kennedy Space Center in Florida. Starlink, which is part of SpaceX, aims to build a high-speed global internet network.

Harvey J. Alter, Charles M. Rice, and Michael Houghton jointly won the Nobel Prize for medicine for their discovery of the hepatitis C virus.