A young boy is comforted outside Sandy Hook Elementary School after a shooting in Newtown, Conn., Friday. Photo by Michelle McLoughlin/Reuters As we learn more about Friday's shooting that left at least 28 dead, including 20 children, at an elementary…

A shooting Friday at Sandy Hook Elementary School in Newtown, Conn., has left at least 27 dead including 20 children, according to the Associated Press. We collected tweets, photos and updates as events unfolded Friday.

Israelis in a hot water spring on the shore of the Dead Sea near the Israeli Kibbutz of Ein Gedi watch the sky for Geminid meteor streaks above the Judean desert on December 14, 2012. Photo by Menahem Kahana/AFP/Getty…

Nefertiti, the Johnson jumping spider hunting for flies inside her space flight habitat on board the International Space Station. Photo by NASA. Nefertiti, the courageous space spider who soared into low-Earth orbit on a Japanese HTV spacecraft, spent three…