Mystery of African fairy circles edging closer to being solved by scientists.
Next generation of flexible smartphones, tablets and televisions boosted by graphene breakthrough.
Geologists discovered a narrow, lubricating layer of rock that helps the Earth's tectonic plates shift.
Dan Kitwood photographs the traditional sport of falconry in the United Arab Emirates.
CO2 levels from Pliocene era three million years ago support climate change predictions.
Found on Australia's Phillips Island, the penguin at 21 years is believed to be the oldest there.
Researchers think the gold that washed up in the Witwatersrand basin came from microbes rather than sediment
TransAsia Airways GE235 with 58 passengers and crew crashed shortly after take-off in Taipei.
Tiny, nimble robots will tackle every single weed in multiple ways.
Killer whales or orcas have been known to feast on almost any marine life, but this incident throws fresh light on their behaviour.
Two solid days of heavy snow have been too much for even the ski resorts in the Pyrenees.
Scientists say there are no systematic errors in climate models of global warming.
A table-topped mountain that inspired Sir Arthur Conan Doyle's The Lost World is attracting tourists.
The second major snow storm in less than a week pummels Chicago, Detroit and Boston.
Sediment studies from lake near abandoned city of Cantona point to long periods of drought 1,000 years ago.
Around 3,000 extra deaths are expected this week, based on a similar deaths hike to the mid-January cold spell's extra 3,721 deaths.
Mercury levels in yellowfin tuna rising by at least 3.8% per year.
Researchers say global prices of greenhouse gas emissions can drop if clean technology comes into play.
European rabbits found to be living in smaller burrows with fewer companions.
Revellers preparing to mark the first full day of the Venice Carnival awoke to a flooded city.
Australian government says Great Barrier Reef should not be listed as "in danger".
Hiker and companion were caught in blizzard in Torridon Highlands.
SMAP will measure the 2in deep soil which holds less than 1% of Earth's water
Study establishes there are less than 250 of the species left in the Sahara.
Population explosion of bright pink sea slugs linked with warming ocean temperatures.
Looking for a cool wedding venue? They don't come much cooler than a church made of ice.
Tourists at Grand Canyon National Park witnessed a rare treat on Wednesday (January 28) -- a meteorological phenomenon known as cloud inversion.
Gallons of oil lying on the sea floor pose a major problem for marine life.
EGCG found to trigger process in mitochondria leading to oral cancer cell death.
A direct link of the Earth's crust rebound to recent warming has been established.