A gunman opened fire inside the school where his mother worked yesterday morning, killing 28 people, including 20 children, by blasting his way through the building as young students cowered helplessly in classrooms while their teachers and classmates were shot.
Obama calls for action after deadly shooting
Seal pups orphaned in storm surge overrun rescue centre
More than 100 baby seals orphaned in the recent floods have been washed up in Norfolk after a tidal surge hit the east coast.
Australia's Great Barrier Reef gets underwater art gallery
Queensland artist BJ Price has just opened an underwater art gallery among the fish at Australia's Great Barrier Reef.
Ancient lake on Mars evidence of life?
Using a NASA rover which can take samples, scientists have found evidence of an ancient freshwater lake in a Mars crater.