Vaccination and the immune system

Worshippers pray in Mecca as Saudi Arabia suspends visas for visits to Islam's holiest sites for the "Umrah" pilgrimage, an unprecedented move triggered by coronavirus fears that raises questions over the annual hajj.

According to Anderson Neves, the Earth is flat and does not rotate, the sun and the moon are close to the world, within a large dome that surrounds our flattened planet. Like him, 7 percent of the Brazilian population think that the Earth is flat,...

Afghan refugees who have been living for years at the Khazana Refugee Camp in Peshawar, Pakistan are hopeful that the new US-Taliban peace deal can ultimately bring peace and allow them to return to their home country, after a nearly two-decade lo...

Factories belonging to the China Mengniu Dairy Company and Beijing Huadian BJGAS Energy Company take measures against the spread of the coronavirus while continuing production, as shown to media during a tour of their facilities. Both factories ar...

The Democratic race to the White House reaches South Carolina, where presidential candidates seek the support of African American voters, an influential voting block for the Democratic Party. "Historically on the Democratic side, the individual th...

Vaporetti and all Venice's means of public transport are being disinfected with a special chlorine-based solution as Italy struggles to control the largest outbreak of the coronavirus in Europe with some 400 cases.

It appears every leap year, on February 29, since 1980 meaning fans of the "La Bougie du Sapeur" newspaper can finally get their hands on issue No. 11 when it hits the shelves from Thursday. The paper's name, literally 'The Soldier's Candle', is b...

Climate activists celebrate outside the Royal Courts of Justice in London after the Court of Appeals ruled against the building of a third runway at London’s Heathrow airport, saying the UK government had failed to take into account its commitment...

French president Emmanuel Macron and Italian Prime Minister Giuseppe Conte arrive at France/Italy summit in Naples.

The French delegation made of ministers and president Emmanuel Macron gather with Italian ministers and head of government Giuseppe Conte for the traditional family photo ahead of the France-Italy summit in Naples.

A Thessaloniki pharmacist says there are no more "antiseptics and masks left in the pharmacies and warehouses" as people "are terrorised" after a woman who had recently travelled to northern Italy was reported as the first person to contract the n...

Umaro Sissoco Embalo, one of two candidates in Guinea-Bissau's presidential election, arrives to be sworn in, even though a bitter row over the vote remains unresolved after nearly two months.

The new coronavirus epidemic is at a "decisive point" globally, says World Health Organization chief Tedros Adhanom Ghebreyesus, as the number of cases detected outside of China grows.

Medical staff take full precautionary measures as they collect samples from patients under self-quarantine in Daegu -- South Korea's fourth-largest city with a population of 2.5 million and the epicentre of the outbreak. The world's 12th-largest e...

The European Commission is continuing to prepare for a "no deal" Brexit, according to a Commission spokeswoman, as negotiations are due to open next week.

Syria's town of Kafranbel falling to the regime has dealt a deafening blow to the uprising, activists say. The town in Idlib province bordering Turkey was one of the first to join the revolutionary fervour that swept Syria in 2011.

Videographic looking at karate, one of five new sports on show at the Olympic Games in Tokyo this summer.

Colombian police raid a coca field in Tumaco, Colombia, following the state's Defense Minister's statement that the military will step up an offensive against drug trafficking gangs responsible for clearing thousands of hectares of protected natio...

Angry Lesbos residents continue to protest the construction of a new camp for migrants after the majority of riot policemen left the island following a day of violent incidents.

Videographic illustrating how carbon 14 dating works. Marking the 80th anniversary of the discovery of the carbon 14 isotope.

Videographic on the five pillars of Islam. Saudi Arabia on Thursday suspended visas for visits to Islam's holiest sites for the "umrah" pilgrimage, an unprecedented move triggered by coronavirus fears that raises questions over the annual hajj.

Videographic illustrating melting ice caps. Cases of polar bears killing and eating each other are on the rise in the Arctic as melting ice and human activity erode their habitat, a Russian scientist said Wednesday.

French President Emmanuel Macron visits the Pitié-Salpêtrière hospital in Paris where the first French novel coronavirus death occurred the previous day. Macron is then due to fly to Naples where he will meet the Italian Prime Minister, Giuseppe C...

Jockeys break from the stalls at Hong Kong's famous Happy Valley racecourse. But there is no customary Wednesday night roar from excited punters, as the grandstands remain empty. Welcome to horse racing behind closed doors, the latest sporting vic...