SCIENCE

Military planes search Indian Ocean for two large objects spotted in satellite images.

Ancient letter from an Egyptian soldier to his brother translated over 100 years after discovery.

Best photos of the day: 20 March 2014

Researchers from University of Utah name 500lb bird-like creature from the Dakotas 'Anzu Wyliei'

Scientists put forward new theory as to why Earth doesn't get too cold like Mars or Venus

Spring Equinox will happen at 4.58am tomorrow morning.

Vivienne Westwood addressed hundreds of anti-fracking protesters at a 'carnival' outside the Shale Gas Forum.

Polar bear Giovanna shows her babies around their enclosure at Tierpark Hellabrunn zoo in Munich, Germany

Rare cosmic event tonight will see asteroid eclipse bright star over New York.

Earth dodged 'huge magnetic bullet' by just nine days following coronal mass ejections.

History of migration of Polynesian chickens uncovered through ancient bones.

Best photos of the day: 19 March 2014

British physicist wins bet with Prof Neil Turok over discovery of gravitational waves

Getty images photographer Matt Cardy returns to the village of Moorland now floodwaters have receded.

Dr Gavin Svenson, from The Cleveland Museum of Natural History, discovered the Liturgusa species

Mixing inside stars causes them to expand, contract, eject and explode, according to 3-D model by W. David Arnett.

Nasa scientists believed to have recorded waves rippling on Titan, Saturn's largest moon.

Look at the best photos of the day: 18 March 2014.

Forthcoming UN report warns of extreme reality facing mankind due to climate change.

Scientists explain cosmic inflation discovery made by Harvard Smithsonian astrophysicists.

British Antarctic Survey scientists discover moss frozen in time for 'longer than anything' reported before.

Scientists provide evidence supporting Big Bang Theory of an ever-expanding universe.

Harvard Smithsonian researchers announce space-time ripples from beginning of universe.

Extremely rare space event 'asteroid occultation' to take place above New York.

Best photos of the day: 17 March 2014.

Drivers will only be allowed to use cars on alternate days as pollution reaches dangerous levels.

European Space Agency warns that increased amount of litter orbiting Earth could make space inaccessible.

Scientists examine 1,000 year climate history of western tropical Pacific Ocean.

XKCD web comic author Randall Munroe's unpublished book is an internet hit.