The King of Pop, Michael Jackson, dies suddenly. His brother Jermaine Jackson announces the news. The Rev Al Sharpton hails him as a civil-rights trailblazer.
US environment correspondent Suzanne Goldenberg reports from Washington as Congress gets ready to vote on President Obama's defining climate change bill.
On the hundredth anniversary of London's Science Museum, James Randerson finds out what its director Chris Rapley thinks will be our environmental fate.
Gordon Brown turns his attention to protecting the UK from cyber-attacks. Security editor Richard Norton-Taylor explains what's at stake.
MediaGuardian's Stephen Brook has takes his fine-tooth comb over expense claims by BBC executives.
Plus the Observer's film critic Jason Solomons talks to the international filmstars Gael Garcia Bernal and Diego Luna about their new movie Rudo y Cursi.
