President Obama paused during a meeting in the Oval Office today to join the moment of silence held to remember the victims of the Sandy Hook school shooting - one week on.
More top news
It's one of most sparsely populated regions in Europe, but the Highlands is being fiercely contested in Scotland’s independence referendum.
Researchers in Boston have created a 'robot cheetah' that they hope will be able to reach top speeds of 30mph.
UK trials of a vaccine for the Ebola virus began today - but some experts complain that the response has been a long time coming.