Like any medication, vaccines can cause mild, and in very rare cases serious, side-effects.
Once Article 50 has been triggered the UK has just two years to negotiate its exit from the EU.
Steeped in irony, an artist's take on the grand hotels of a bygone age - this one claims to have the worst view in the world.
Fake news rose to prominence during the American presidential election, when outrageous stories about endorsements of Donald Trump went viral on social media
Ultrasound like this is how all premature babies are scanned - but it doesn't always reveal what's gone wrong.
This is Copenhagen's seedy red light district, a well-known area to buy drugs.
Madagascar is losing its wide-eyed wonderers - the lemurs - at an alarming rate. They are increasingly under threat from hunting and deforestation.
In the last 18 months Saada has become a key battleground –the heart of the Houthi rebellion and the target of more airstrikes than any other Yemeni city.
Today about one in four babies are born in hospital by caesarean section.
The loyal fans of the Chapecoense once more crowding the stands of their beloved football club.
Scientists have found a treatment to boost communication in young autistic children which can significantly reduce the severity of their condition in later life.
The Ecuadorian government has temporarily cut internet access for the WikiLeaks founder Julian Assange, who has been living in its London embassy for four years.
The iconic ruins of Machu Picchu, in Peru, have come under the spotlight for the country's inability to deal with the mounds of trash tourists are leaving behind.
The US President, Barack Obama, has announced plans to dramatically expand a marine reserve off the coast of Hawaii.
British cycling's Olympic golden couple Jason Kenny and Laura Trott have ridden into the record books.
President Obama has said the Republican nominee Donald Trump is unfit to be president and questioned why party leaders still support his candidacy.
The UK government's Home Secretary Theresa May will become the country's next prime minister.
Now that it's orbiting Jupiter, Juno will start studying how the gas giant was formed.
As the EU cracks down on people arriving in Greece from Turkey more and more people are risking their lives on the merciless route across the Sahara to Libya.
This week the Tate Modern in London will open a £260m extension that will greatly expand the range of work on show.