Hanukkah, which begins at sundown on December 23 in 2019, is one of the most joyous of Jewish holidays. Learn more about the traditions and history behind the Festival of Lights known as Hanukkah (also spelled Chanukah). The celebration lasts for eight nights and days each year around the same time ...

First Lady Michelle Obama stopped by The Ellen DeGeneres Show this week and, knowing Ellen is a big fan of dancing, challenged the comedian to learn the #GimmeFive dance to help mark the fifth anniversary of her healthy life campaign Let's Move! Watch the two break it down to "Uptown Funk,"

President Barack Obama addressed the United Nations on climate change at the UN Climate Change Summit on September 23, 2014 in New York.

All voices and lyrics by Daniel Emmet. Goodbye Corona - an opera for hope in 2021 to return back to normality.

A whale lunge feeding right next to the Kayak, plus some underwater footage. While the lunge feed was heart pounding excitement while kayaking next to the blue whales in Redondo Beach California. It was relaxing and peaceful.

Video from the highest point of the tide on the south shore of long island. Surge was about 4 to feet. No water in my house but my garage was flooded and many of my neighbors south of my house were flooded also. The boats where fine.

As of September 21, 2017, the death toll from the massive earthquake in Mexico is rising, but there are glimmers of hope amid the devastation: More survivors are being pulled from the rubble nearly two days after the quake struck. NBC’s Miguel Almaguer reports for TODAY from Mexico City.

The disappearance of the Mayan Empire is all the more mysterious because it happened not once, but twice. The earliest civilization that took root during the heart of antiquity prospered for hundreds upon hundreds of years, with innovations that rivaled those of Egypt. Unlike the Egyptians and Mesop...

The first known incidents of the Ebola virus were in 1976. There were two simultaneous outbreaks in Nzara in Sudan and Yambuku in Zaire (now the Democratic Republic of Congo). The name of the Ebola river near Yambuku was given to the new epidemic.

Outbreaks have mainly occured in remote villages ...

Robert Vonderheide, MD, DPhil, discusses his research on a new, immunotherapeutic approach to treating pancreatic cancer. Dr. Vonderheide is an associate professor of medicine at the University of Pennsylvania School of Medicine. Abramson Cancer Center physicians Gregory Beatty, MD, PhD, and Peter O...