Exploding star not seen in decades causes amateur astronomers to sit up and take notice.
Met Office has issued weather warning for heavy rain and strong winds across much of United Kingdom.
Election certificate shows Darwin becoming Royal Society Fellow in 1839.
More than 150 winter swimmers jumped into Copenhagen harbour baths on Thursday (January 23) evening at an event launching Copenhagen's year as 'European Green Capital', an award given to the Danish capital by the European Commission.
The combination of animals found in western Mongolia and southern Russia are similar to glacial communities.
Renowned physicist Hawking puts forward new theory about black holes.
Best photos of the day: 24 January 2014
Product of the Year survey shows half of consumers want to try 3D printing.
St Basil's Cathedral toytown, thirsty snail and a crime lord's funeral.
Biologists' top finds of previously unknown species discovered in recent years.
Declining bee populations have raised concerns about long-term food security given their role in pollination of agricultural crops.
UK can expect high-speed winds and freezing temperatures across whole country.
Mysterious creature of the deep was caught in trawl nets at shallower depth than usual
Scientists have discovered a new species of river dolphin for the first time in 100 years.
Five Nasa Earth science missions to be launched for first time in a decade.
Jason Hawkes is one of world's most prolific and sought-after aerial photographers.
Best photos of the day: 23 January 2014
Water is present in the form of vapour which scientists say may have originated from ice-geysers on its surface.
Experts find flies who live with unrelated males are sex pests that are aggressive during mating.
Study claims Asia's pollution from US-China trade manufacturing is effecting weather in areas such as LA.
Some of the most spectacular space images produced by the ESO telescopes in Chile.
In pictures: the storm that hit the US, dumping nearly a foot and a half of snow and grounding thousands of flights.
Sharks, rays and chimaeras are at a risk of extinction within a few decades, a new study reveals.
Best photos of the day: 22 January 2014
Mystery slime appeared following UFO sighting near Ham Well nature reserve.
BBC1 documentary Penguins - Spy in the Huddle shows incredible airborne footage.
Scientists discover Galapagos volcanic plume is 150km from where it was thought to be.
Winter storm to hit Mid-Atlantic and Northeast with 12 inches of snow.
Caroline Lucas denies opposition to controversial fracking is tangled up with far-left political agenda.
Ants' ability to adapt to new environments being studied in space to develop robot navigation tools.