The latest stories from the Science & Environment section of the BBC News web site.
Updated: 56 min 59 sec ago
Scientists at the American Museum of Natural History and taxidermy experts have preserved Lonesome George, the last Pinta giant tortoise, who died in 2012 in the Galapagos Islands.
Researchers meet in London to discuss sea-ice trends, as the Arctic reaches its summer low extent and the Antarctic pushes on to another record high.
Ban Ki-moon wins hearts on the street, but will charm work on leaders?
A project is under way calling for people with memories of the excavation if the Temple of Mithras to come forward to tell their stories and share their pictures of the event.
The famous experiment in child psychology from the the 1960s which became known as the marshmallow test has been updated by the experiment's inventor, Walter Mischel.
Street protests demanding urgent action on climate change have attracted hundreds of thousands of marchers in more than 2,000 locations worldwide.
Scientists who claimed to have found evidence for a cosmic super-expansion just after the Big Bang underestimated a key confounding factor in their research, according to a new analysis.
Secrets of ancient burial site keep Greeks guessing
The pan that aims to eliminate guesswork from cooking
US satellite arrives in orbit around the Red Planet
Worldwide demonstrations ahead of a UN meeting in New York on how to reduce global carbon emissions attract hundreds of thousands of people, organisers say.
Do all the world's ants really weigh as much as all the humans?
Street protests demanding urgent action on climate change attract hundreds of thousands of marchers across more than 2,000 locations worldwide.
Engineers have invented a battery made of three liquefied metals, which they say is efficient and cheap enough to store power on the electric grid.
New research shows China's rising emissions per head of population have overtaken the EU while the global total reaches a new high.
A SpaceX cargo ship rocketed toward the International Space Station on Sunday, carrying the first 3D printer for astronauts in orbit.
UN Secretary General Ban Ki-moon will take part in a protest march this weekend to highlight global inaction on climate change.
How Haitians overcame the 'yuk' factor
A pair of three-week-old cheetah cubs are unveiled at San Diego Zoo's Safari Park.
The scary element that helps probe space's secrets