At the National Mall, some people made a sidewalk into their own cross country skiing trail.
Record warm years over last 15 years almost certainly a result of human activity.
More storks survived longer than five months feeding on rotten meat and old bones than flying to South Africa.
After months of searching, Yoda found a home through a Craigslist ad
Cyber attack reportedly carried out in revenge for Japan detaining US activist Ric O'Barry.
China has already issued a yellow alert, the third level in a four-tier system, for severe weather.
The snowfall set the right shut-in conditions for newborns nine months down the road, say experts.
Odd behavior may be linked to animals eating fly agaric mushrooms sprouting in San Francisco Bay Area.
The pod of sperm whales are believed to have become disorientated before their deaths.
Storm Jonas, has already claimed 19 lives in the US, is due to arrive in the UK on Tuesday.
Prosecutors have referred employees of Cairo's Egyptian museum for trial over the poor repair work.
Dating back 2,500 years, there are dozens of foot prints that archaeologists believe are of ancient farmers.
Parts of the eastern US are under 40in (102cm) of snowfall after a huge blizzard swept through the region.
In the last 24 hours steam, gas and ash has been seen billowing from the top of the volcano, just 35 miles from Mexico City.
States of emergency have been declared in 10 US states and Washington DC.
Study shows energy could be harnessed on planets circling black holes due to extreme temperature differences.
Study says Chauvet-Pont D'Arc cave drawing may show a volcanic eruption from 36,000 years ago.
Farmers are concerned that politicians will exploit tensions to divert attention from bad governance.
Remains of a child dating to between 3800 and 3600BC discovered in Egypt may be the oldest known case of scurvy.
The full Wolf moon – or January's full moon – will be visible on 12 January.
Gaian Bottleneck theory says there are slim chances of life on other planets as they did not evolve in time.
Climate change, drought and agriculture all blamed for Lake Poopó evaporating.
Nasa said that global temperatures averaged in 2015 broke the previous record set in 2014 by 0.13C.
A unique insight into the daily routine of Japanese Macaques who reside in the valleys of the Yokoyu-River during the winter months.
Largest prime number ever found is 22 million digits long and would take days to read
Scott Kelly has just completed 300 days of living in space as part of a year-long mission.
Governor Rick Snyder is going to be shown 'the error of his evil ways,' says hactivist collective.
Mid-Atlantic states expected to receive nearly 2 ft of snow during the potentially historic snow storm.
Voles groom stressed rodents due to the hormone oxytocin, as scientists aim for new psychiatric therapy.
Demand for dried fish bladder has surged since 2013 and now costs $8,500 per kg on black market.