Expert says that false widow spiders are not expected to get bigger this year.
Science behind autumn equinox not as straightforward as it seems.
Palaeontologists Terry Gates and Rodney Sheetz identify 'king nose' hadrosaur Rhinorex condrupus.
Stephen Hawking says further space exploration is essential for mankind.
A study on the impacts of shale gas has revealed that it is a good energy option for the UK if used wisely.
Carbon dioxide emissions rising at alarming levels, finds global study.
ISS spots excess of positrons in high-energy cosmic rays, suggesting their origins are in dark matter, finds MIT analysis.
World Rhino Day 2014 theme is Five Rhino Species Forever
Locals in Dee Why explore extra-terrestrial origins of green sponge-like spheres.
Warm weather has provided plenty of food for UK's arachnids, leading to them getting fatter and more numerous.
International Renewable Energy Agency sets out plan for world to meet the energy demands and cut carbon emissions.
Simone Wood's partner Paul Whitehouse still missing, after couple's yacht capsized in a storm.
Using lithium ions and laser beams, scientists validate time dilation that occurs when travelling at speeds close to that of light.
A-list actors including Leonardo DiCaprio, Susan Sarandon and Brad Pitt will lead the People's Climate March on Sunday, billed as the largest march for climate action in history.
Five killed in severe flooding as tropical storm brings one month's rain in one day.
Nasa scientists say Maven's attempt to enter Mars' orbit this weekend is a 'critical event' that could pave the way for human voyages to Mars.
Couple's yacht believed to have capsized during storm in La Paz, Mexico, harbour.
Report assesses impact of Russian heat wave, Pakistan floods and Philippines Typhoon Haiyan.
Large galaxies are growing by consuming smaller ones
Population prediction sees unstable growth and Earth with two billion more people than expected by 2100
People's Climate March will take place in New York City on 21 September before UN Climate Summit.
Shifting urban transportation majorly from cars to public transport can reduce 40 percent emissions by 2050, says a report.
Archaeologists have discovered a long lost Roman fort in Germany.
How did Vikings react to volcanoes when they arrived in Iceland in the 9th Century?
Woman was one of many buried with elaborate hair styles in Egypt's Armana cemetery.
Climate simulation suggests Sahara is seven million years old.
International Whaling Commission votes to adopt key elements of international judgment on whaling
Scientists have developed a method that allows industrial scale manufacture of fullerite, the hardest material on the planet.
Ocean acidification from human activity "hammering" coral reef growth in Australia.
In Southeast Asia and parts of Latin America, almost 50% of plant-derived vitamin A production requires pollination.