AMS receives reports of huge bright fireball flying across the sky in Northern Virginia.
Solar spectacle also seen clearly in Essex and Gloucestershire
Scientists fill 10,000-year missing link in history of Native Americans during Ice Age 25,000 years ago.
Pollution targets must be set to reduce fourth largest US Great Lake's dead zone, experts say.
Analysis of Incan woman's remains show she died in a ritual murder around 1500.
More pictures of Captain Francesco Schettino's ship that sank near Italy killing over 30 people
The Smithsonian Submillimeter Array telescope provides view of stellar nurseries within the Snake nebula.
Nasa scientists make 10 minute YouTube video answering four-year-old's questions about space.
Chinese cheese dating to 1615 BCE discovered in northwest China's Taklamakan Desert.
In quest for earth 2.0, Nasa discovers some habitable planets.
US Department of Energy says radiation leak from WIPP underground dump silo is not dangerous
First new species of Corydiidae cockroach found in a century lead to reclassification of Corydiidae family
Tunnels and blobs of carbon-rich minerals on meteorite suggest microbial weathering, study says.
Men are paying thousands to get a beard.
Beautiful pictures recorded by Nasa's Solar Dynamics Observatory.
Study shows climate change causes high extinction risk for turtles, salamanders, snakes and lizards.
About 1,500 islands in Indonesia are threatened by the rising sea levels.
Wind turbines reduce wind speed, wave height and storm surges from hurricanes, researchers find.
Leopard attack, rampaging elephants and matadors gored by bulls - nature strikes back.
Images shot from space reveal dramatic decline in snow cover in Sierra Nevada.
Smithsonian researchers discover what killed masses of whales nine million years ago.
Astronomers discover water on Jupiter-sized exoplanet orbiting star called tau Boötis b.
'Symbol for global climate change' in Peruvian Andes melting rapidly, US study shows.
The first known fossil of dinosaur to be found in Malaysia.
Coronavirus responsible for Middle East Respiratory Syndrome has been prevalent in camels for 20 years.
Einstein suggested the universe expanded steadily and eternally in overlooked manuscript.
Best photos of the day: 25 February 2014.
Lunar observers could have seen afterglow of meteorite impact on moon's surface with naked eye.
MIT researchers say volcanoes keep temperatures steady - but climate sceptics unconvinced.
Discovery of gem on Western Australian sheep farm sheds light on formation of planet's crust