Mexican authorities set to penalise Cocodrilos Exoticos, the wildlife company responsible for safe transfer.
Met Office says up to 4cm of snow could fall in some parts of the country, especially at higher altitudes.
Migrants were mainly men and children, and may have originated from North Africa or the Alps.
'Megafauna' became extinct 40,000 years ago in Australia, New Guinea and Tasmania, and humans are the cause.
Nasa posters promote travel to Mars, Jupiter and Venus and moons Titan and Europa.
Study found quark-gluon plasma behaved like a liquid and had an elliptical shape like a rugby ball.
39 historically accurate models based on machine sketches by Da Vinci are now on display at the Science Museum.
Leonardo da Vinci would have won the Academics with Cats award.
Scientists used a doughnut-shaped reactor to create temperature three times hotter than the Sun.
Indian experts also insist preliminary investigation points fingers at non-meteorite explosion.
Villagers went outside and saw the large elephant damaging houses and shops.
As many as 30,000 fermented fish bones were recovered from the site.
Global warming set to increase travel time for those flying from Britain to the US, scientists warn.
Unprecedented move by top court spells major trouble for Obama plan to reduce greenhouse gas emissions.
Horses found to display left-gaze bias and increased heart rate when looking at 'negative' human faces.
Fossilised remains discovered of two extinct Rhinconichthys species that lived 92 million years ago.
Mysterious Menominee Crack was caused by 'pop-up' but scientists have not been 100% sure of its cause.
British astronaut films the stunning time-lapse of Earth while on board the International Space Station.
LIGO scientists are set to announce discovery of gravitational waves.
The organic herb has antimicrobial effects which can reduce methane produced in the stomach of cows.
The Scottish SPCA is trying to find the seven-month-old giant a new home
Toowoomba Snake Catchers 24/7 recorded the venomous snake munching through another small-eyed snake.
Events, sponsors and questions – watch the press conference for Asteroid Day at 2pm GMT from the Netherlands.
Seoul confirms satellite achieved orbit, although it is unclear if device is functioning properly.
Two children were also seriously hurt after Storm Imogen battered the south of England.
Hallucinogenic drugs are said to make people behave with compassion and kindness, say scientists.
Nasa is using Unreal Engine 4 and working with MIT and game developers to create the Mars 2030 Experience.
Large machinery like excavators are waiting to be used, as the rescue operation enters a crucial phase.
Researchers claim global cooling 1,500 years ago triggered major social upheaval in Europe and Asia.
Power cuts, disrupted rail and road travel and sea swells hit Britain as another fierce storm batters the country.