Mammoth fossil was discovered beneath Tultepec while drains were being installed.
Bison arrived in North America via the Bering Land Bridge and had dispersed across the continent within 20,000 years.
Scientists find feedback mechanism stops atmospheric CO2 from falling below a certain level.
Scientists have suggested various geoengineering projects to help limit global warming.
Nearby clocks disturb each other, which eventually results in a 'blurred' flow of time.
Laminated nanostructure incorporated into steel prevents it fracturing from metal fatigue.
Scientists at the Harvard-Smithsonian Centre for Astrophysics say alien origin 'worth contemplating'.
Colleagues, friends and family pay tribute to Drever, who helped usher in a new era in astronomy.
Ancient dental plaque of Neanderthals reveals how they used plants as medicine 50,000 years ago.
New phase of matter is mind-bogglingly complicated, but it has implications for quantum computing.
Scientists also found the earliest oxygen ever detected in the galaxy A2744_YD4.
Muon neutrino candidates arrived within 100 seconds of each other, indicating a single source origin.
Scientists just doubled the number of materials that could be used in solar fuels.
Modafinil, methylphenidate and caffeine all led to an increase in chess players' scores.
Limiting climate change to 2C warming still would not stop the Arctic ice from melting away.
Black and white colouration is rarely seen in nature and has posed a long-standing problem for researchers.
Analysis of 4,300-year-old mammoth fossil from Wrangel Island shows excess of detrimental mutations.
Nanowarming aids the defrosting of frozen tissue safely, potentially transforming transplant waiting lists.
The species, Anchiornis, already had drumstick-shaped legs and bird-like footpads.
Max Planck scientist charts how fusion energy technology has changed since the 1980s.
What are the conditions needed in order for complex life to emerge and evolve on other planets?
Scientists have since identified it as a dugong, but do not know why it washed ashore.
Bees show unprecedented learning abilities in a test of their cognitive limits.
Scientist considers what sort of extraterrestrial life may emerge on newly discovered exoplanets.
Scientists find solar system 40 light years away with seven potentially habitable planets.
Scientists find seven potentially habitable exoplanets, three of which are strong contenders for extraterrestrial life.
Almost 50,000 samples of seeds sent to Svalbard Global Seed Vault to ensure global food security.
Nasa to hold news conference on exoplanets discovery on Wednesday 22 February.
One typhoon won't power Japan for 50 years, but a single wind turbine can provide up to 10kW.
Satellite data shows appearance of huge crack in the ice shelf that led to the closure of the Halley VI research station.