The deep-water opah becomes the first fish known to regulate its own temperature, using heat from its flapping fins to warm its heart and brain.
There were chaotic scenes when migrants stranded on a boat off the Thai coast for more than a week leapt into the water as supplies were dropped to them.
Ex-minister Rachida Dati blames "political plotters" in her party after auditors rejected expenses claims of nearly €190,000 for items including luxury clothes.
A woman dies after her car catches fire in a two-car road accident on the A76 at Holywood, near Dumfries.
Russia is expected to introduce new powers to prosecute foreigners whose activities are seen as "undesirable" on national security grounds.
Steven Gerrard has had 160 team-mates during his 17 seasons with Liverpool. We've picked one player per season - can you name them?
U2 guitarist The Edge says he is fine after falling off stage during the opening night of the band's world tour.
The site will now investigate claims of harassment and will begin banning users guilty of it, it has said.
Roy Taylor will cross 68 miles of the Trans Pennine Trail in his wheelchair to help raise money to "get rid of obstacles" to give the disabled greater access to the countryside.
No further action will be taken following an investigation into alleged physical abuse by staff at a Powys residential school, police say.
In an exclusive interview with BBC Sport, McLaren racing director Eric Boullier says he expects the team to fight for big points.
Google's purpose-built robot cars are getting the green light to drive on public roads in California.
The Daily Mail fails in a legal challenge to prevent JK Rowling from reading a unilateral statement in open court as part of a libel settlement.
Steven Gerrard's exit from Liverpool will not be permanent, according to manager Brendan Rodgers.
A Grayson Perry designed house in Essex is causing a stir among art critics. BBC Arts Correspondent Will Gompertz went to see why.
UKIP leader Nigel Farage challenges his critics to decide whether to remain in the party, as a bitter internal row continues.
Shadow business secretary Chuka Umunna withdraws from the Labour leadership race, citing the uncomfortable pressure of extra scrutiny on his life.
The life of legendary blues guitarist BB King
Nigel Farage has called on "two or three people to make their minds up" about whether "their futures are with UKIP".
Fashion retailer New Look has been bought by a South African billionaire in a deal worth almost £800m.