Leeds university researchers claim women with wider hips more likely to have more sexual partners
Trompe l'oeil depicts derelict swimming pool in Osaka shopping centre
Charles Bolden, current Administrator of Nasa, unveiled 'stepping stones' for the 2030 mission to Mars.
Researchers from US and Kenya find marital infidelity more likely where men have longer penises.
Nasa is to test a new Low-Density Supersonic Decelerator (LDSD) which helps landings on Mars.
US campaigners for space protection B612 Foundation recorded 26 asteroid strikes on Earth between 2000 and 2013.
Strange duck-like recordings around Antarctica ocean found to be minke whales.
Best photos of the day: 23 April 2014.
Harper government reclassifies humpback whale's status so controversial $7.9 billion Northern Gateway pipeline project can legally pass.
University of Washington confirms first "self-lensing" binary star system in KOI-3278.
Scientists use new krypton dating technique to identify the age of ancient Antarctic ice.
Fossil discovery by Yale scientists reveals huge temperature plunge in South Pole regions
Scientists in US use Weber's law to show monkeys can be trained to do basic mathematics
Over 140 nations are holding events focussing on the 'Green Cities' theme for the United Nations annual event
Poll finds many Americans question scientific theories including Big Bang and man-made climate change.
Tips for becoming more energy efficient on the 44th annual Earth Day event.
#GlobalSelfie is part of the Earth Right Now campaign to create an image of Earth.
Best photos of the day: 22 April 2014.
The Lyrids meteor shower occurs mid-April each year. Watch the shooting stars online here.
Earthquake is the second off coast of Pacific island in weeks.
Force 7.2 quake is latest in series to have flared across Pacific basin, from LA to Chile.
Rocket deployed cargo ship loaded with vital supplies for astronauts living on space station.
7.2 magnitude quake centred north of Acapulco shakes Mexico, sending panicked people into the streets
This Ladee's not for turning: £166m lunar explorer obliterated on impact
Researchers have discovered one of the first sex reversals in nature, with little-known cave insects in Brazil.
Five climbers still missing after avalanche at 21,000 feet.
Ancient tundra preserved under Greenland ice sheet gives clues about its history.
Rocky planet found by Kepler telescope excites astronomers with water potential
Reservoir holding 38 million gallons of treated water contaminated by teenager needing the toilet.
Lyrids Meteor Shower to peak on 22 April with bright fireballs shooting across sky.