Heavyweights Deontay Wilder and Tyson Fury jettisoned their previously cordial tone in favor of a heated and personal exchange in the final news conference before their highly expected rematch on Saturday in Las Vegas. Here are a few things to know about the bout.

A series of activities to mark fifty years of the end of the Nigerian civil war continued in Lagos today. At the Never Again Conference, whether or not the lessons of the war were learned arose again.

While on her way to a UN climate conference, 16-year-old climate activist Greta Thunberg stopped in western Germany to stand with activists at the Hambach Forest. The woods have been threatened by a nearby lignite mine.

The pledge comes ahead of a major UN climate conference. Donations to the UN Green Climate Fund are only a fraction of the $100 billion annual goal countries had pledged to reach by 2020.

Primary healthcare development - participants at ANPA conference proffer ideas.

U.K. Prime Minister Theresa May said she will trigger the U.K.'s withdrawal from the European Union in the first quarter of next year in a speech to the Conservative Party's annual conference.

Republican presidential nominee Donald Trump says his wife Melania will hold a news conference in the coming weeks to address press speculation that she may have entered the United States to work illegally.

The host of the world's biggest conference on HIV/AIDS is facing criticism for how it's handling the homeless.

Adedeji Alebiosu, Director Made in Nigeria Project, speaks on the upcoming conference, job creation, and government's policy trust.