HIV is evolving to become less deadly and less infectious as it spends more time infecting people, according to a major scientific study.
HIV has repeatedly made the jump from animals to humans, but only once did it spread around the world. Why?
Former Liverpool striker John Barnes believes Steven Gerrard's best form is "still good enough for Liverpool".
Spend, spend, spend. That's what people do who can afford it, at this time of the year. But why are our politicians following suit when the country is still deeply in the red?
Spending cuts are delaying police inquiries and contributing to a rise in people kept on police bail for months, and in some cases years, Newsnight is told.
A film 12 years in the making, Boyhood, has won top honours at the New York Film Critics awards, which opens the pre-Oscars awards season.
A judge has banned car cruising events across the Black Country.
The learning disabled group doing it for themselves
The TV phone-in giving a voice to frustrated Pakistanis
Dublin-born film artist Duncan Campbell is announced as the winner of this year's £25,000 Turner Prize.
The Who's Roger Daltrey gatecrashes a wedding and takes to the stage to sing to the happy couple and their guests near Glasgow.
Amazon says it has recorded sales of around 64 items every second on so-called 'Cyber Monday', one of the busiest days for online shopping.
Richard Armitage says the final scene of the latest Hobbit film was a "big, emotional moment" for him.
One of the Tesco executives suspended following the £260m profit mis-statement will return to the retailer.
Russian President Vladimir Putin says the proposed South Stream gas pipeline will not go ahead, blaming opposition from the EU.
BBC Sport football expert Mark Lawrenson takes on England women's captain Steph Houghton.
On Sunday five St Louis Rams took the field with a gesture made famous by those protesting Michael Brown's death. They say they're supporting their community, but others think the display is misguided and misplaced.
Five people have died in France as severe storms continue to batter the western Mediterranean, with damaging winds and torrential downpours.
Gordon Brown could be brooding and brilliant, almost in the same breath. Westminster will probably not see his like again.
A year ago Ebola claimed its first victims in West Africa. Since then around 6,928 people have died and thousands more have been infected.