The UK's spring butterflies are being welcomed by enthusiasts, but weeks later than they usually arrive.
Sina, which runs China's biggest micro-blogging site, sees losses narrow in the first three months of the year as revenues rise.
What should you listen to when broken-hearted?
The raw power of the Sun as it unleashes the strongest radiation storms yet seen in 2013
Scientists get their hands dirty as they attempt to unravel the mystery of giant Ice Age beasts like the sabretooth cat.
A three-month long study to determine the puffin population on the Farne Islands in Northumberland gets under way.
A fertility clinic says tests on a new embryo monitoring system significantly increases the chances in IVF treatment resulting in a successful pregnancy
Time-lapse imaging which takes thousands of pictures of developing embryos can boost the success rate of IVF, according to British research.
Applying high-frequency electrical noise to the brain can boost maths skills up to six months later, say Oxford University researchers.
Why Nigeria's Bez plays guitar music instead of hip-hop
Derek Gatherer outlines the results of his statistical study of how Eurovision votes are cast.
Roboticist Will Jackson of Engineered Arts gives a tour of his robot factory in Cornwall, and talks about recent developments in the industry.
Selling online where internet speeds are painfully slow
Global icon who became a byword for marketability
Dell reports a 79% fall in quarterly profits to $130m (£85m) amid falling computer sales and a takeover battle.
Bonnie Tyler is preparing to represent the UK in the Eurovision Song Contest this weekend.
Dan Brown, the author of the Da Vinci Code, has given his first UK TV interview about his new book Inferno to Newsnight. In it he talks about dislodging writer's block by hanging upside down.
Glencore Xstrata shareholders vote to appoint Tony Hayward, BP's former chief executive, as interim chairman to replace Sir John Bond.
An Asian insect is destroying native species around the world by unleashing a lethal biological cocktail.
Canadian astronaut Chris Hadfield says he could not resist sharing his life in space on social media, in his first public appearance since landing.