Actor Keanu Reeves gives journalists short shrift as he promotes science-fiction remake The Day the Earth Stood Still.

Nottinghamshire is facing growing social alienation, voter apathy and poverty, according to a new study.

With his skinny jeans, back-combed hair and dandyish manner, Russell Brand has always looked an outsider on the comedy stage. To many people his style of humour is just as alien. So what's the appeal of Russell Brand's humour?

BBC website readers have sent in their pictures of unusual bugs and insects.

David Roy from the Centre for Ecology and Hydrology answers your questions about alien invaders.

Scientists describe the new invasive species that could soon spread in the UK.

Scientists believe the UK ranges of the plague-carrying non-native crayfish and voracious Chinese mitten crab are beginning to overlap.

The seas surrounding the UK - and its rivers - are filled with animal and plant species originating from the Far East, South America and Australasia.

Meet some of the alien insects that are spreading throughout the UK.

Invasive alien species in the UK are having a profound impact on ecology and the economy, scientists say.

Watch an expert describe the alien plants that might be in your garden from our clickable map.

Messages are beamed to a planet 20 light years from Earth in the hope they will reach intelligent alien life.

The search for alien life outside our solar system will be at the forefront of discussions by scientists.

Simon Pegg's new film How To Lose Friends and Alienate People tops the UK box office in its opening weekend.

How to Lose Friends and Alienate People star Simon Pegg talks embarrassing moments and his forthcoming role in Star Trek.

Marine experts are warning of the spread of an invasive non-native species called Japanese wireweed.

Simon Pegg joins a pregnant Gillian Anderson at the UK premiere of film comedy How to Lose Friends and Alienate People.

The current US administration has alienated much of Asia and the next should pay fresh attention to the region, says the Asia Foundation.

Traditional wedding or civil partnership, we are still in love with the idea of getting hitched. But when things turn sour, many now think relationship therapy is as alien as the dial-up phone, says Katharine Whitehorn.

A television company has joined forces with a social networking site to send a message to the nearest theoretically inhabitable planet, but can our television and radio broadcasts already be picked up in space?