Djokovic and Raonic meet for the fifth time for a place in the last four in Melbourne.
Williams and Cibulkova meet in the women's quarter-final in Melbourne.
Beetle study shows evolutionary strategy for homosexual behaviour.
Brain abnormalities relating to learning from punishment seen in violent psychopaths.
Chelsea beat Liverpool to seal their place in the League Cup final.
The case surfaced when the victim wrote to Pope Francis alleging he was sexually molested as an altar boy.
Chelsea beat Liverpool 1-0 thanks to Branislav Ivanovic's extra-time header.
2.9 magnitude earthquake sounded "almost as if Concorde had flown over"
A cat in Florida was buried alive by his owner, who thought the pet was dead after being run over by a car.
Apple Watch is 'on range' to go on sale within the first four months of 2015, CEO Tim Cook said after the company's Q1 earnings results
While social media criticised Modi's pinstripe suit, President Obama raised toast to 'Modi kurta'.
Bud and June Runion hoped to buy a classic car through Craigslist - but ended up dead
Apple has posted earnings of $18 billion on revenue of $74.6bn for the first quarter, setting a new world record for quarterly corporate earnings
Following the demise of Saudi King Abdullah, the Kingdom has continued on its beheadings punishment.
900m-wide asteroid 2004 BL86 missed earth by 'only' 750,000 miles last night