"Mad" Mike Hughes wants to prove thousands of years of human knowledge wrong.
BBC Earth: How we know the Earth is round
Anna Wintour brought the glam, Beyoncé brought the fam, and Heidi Klum was... statuesque at this year's fundraiser.
Flight 169 from Venice, Italy, landed safely at Newark Airport with no reported injuries among the 231 passengers and crew. The lorry driver sustained minor injuries.
Steller sea lions are more commonly found in the colder waters of Alaska and the Pacific Northwest, making sightings in the Bay Area less common.
Firefighters were tackling the blaze that local officials estimated to stretch 558 acres (2.3 sq km).
BBC's Nadine Yousif and Eloise Alanna spent five days travelling with the country's military rangers through frostbite and sub-zero temperatures.
Thousands of demonstrators marched across the country to demand “dignity, justice and freedom” for immigrants and workers.
The BBC visited the Villages, the world’s largest retirement community and a key GOP stronghold, where a growing chorus of critics signals change ahead of President Trump’s visit.
King Charles' historic state visit, the first by a British monarch since Queen Elizabeth II's in 2007, has come to an end.
The video was released after claims that a secret service member sustained injuries in an act of 'friendly fire'.
BBC's Sarah Smith looks at whether King Charles' charm offensive with President Trump made a difference to US-UK relations.
Energy prices are rising as US peace talks with Iran appear to have stalled, with the key Strait of Hormuz waterway still effectively closed.
Before the fragile ceasefire in the region, this was one of the most heavily targeted US and UK military bases in the Middle East.
A severe storm outbreak has been battering parts of the Midwest and Southern United States for nearly a week.
After visiting the 9/11 Memorial, Queen Camilla read to children at the New York Public Library and King Charles visited a community organisation in Harlem.
The King and the US president exchanged several jokes during their speeches at a state banquet.
During the White House state dinner, the King gifted the US president a bell from his WW2 submarine namesake, 'HMS Trump'.
It was the first time a sitting British monarch had addressed the chamber since Queen Elizabeth II in 1991.
Correspondent Tom Bateman was in the dining room at the White House Correspondents' Dinner with President Trump and other officials when gunshots were heard.
First Lady Melania Trump described the joke as "hateful and violent", with the White House urging ABC to fire the comedian.
After landing, the royals were greeted by US President Donald Trump at the White House and later visited the British Embassy.