The Leadenhall Building in the City is now entirely cordoned off to pedestrians while safety checks take place.
Two physicists say there may be nothing so exotic about dark matter.
University of Washington researchers replicate brain-to-brain connection through internet.
First fossil found of amphibious ichthyosaur help fill in evolutionary gap.
Scientists find increase in substance that destroys ozone layer but Montreal Protocol 'on track'.
Scientists propose use of natural and engineered organisms to bolster long-distance space travel.
Jason Hawkes takes to the skies over London to show to rapidly changing face of the capital.
US film-makers explore drone privacy by shooting the world's first drone-shot pornographic film
Minerals discovered in a Martian mountain contain mineralogical evidence to support life on Mars
Photos of the devastation caused by Typhoon Haiyan which hit the Philippines on November 8, 2013.
Concealed witchmarks uncovered by archaeologists at Knole house in Kent.
Scientists using Google Earth, WorldView and GeoEye satellite images to monitor demographic changes.
Flood defence has been cut by 6% in real terms under the Coalition.
Restricting emissions of short-lived climate forcers will not help buy time on global warming and will provide mere short-term relief from pollution.
118 million-year-old mammal tracks found in world's fourth-biggest diamond mine.
A long-term study conducted in French Guyana has shown the ways in which climate change triggers infectious diseases.
Entomologist Piotr Naskrecki said he received death threats after killing world's biggest spider.
Witnesses describe seeing very bright shooting star over Kyushu.
Very Large Telescope Interferometer observes 92 nearby stars to examine exozodiacal light.
Prehistoric turtle fossil unearthed in southern New Mexico desert.
UCLA astronomers identify mysterious object at centre of galaxy as binary star pair that merged under gravity influence of black hole.
Questions raised over Virgin Galactic crash as it emerges plane's 'feathering device' activated early.
Disguised rover attacked by jealous female penguin during mating season.
Researchers used an robots disguised as penguins that could walk, talk and lay camera eggs.
Scientists use remote-controlled robot rover disguised as a penguin in order to intimately study colonies of shy Emperor penguins in Antarctica.
Physicists claim parallel universe theory helps to explain "bizarre" quantum mechanics.
Over the past 30 years, 36 of Europe's most common bird species have rapidly declined.
IPCC scientist says green groups gave public wrong impression of climate change.
The co-pilot was killed in the crash while the pilot was severely injured.
New dams to increase hydropower will not be able to meet increasing demand for electricity, says study.