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Levels of acid in the atmosphere have fallen almost to preindustrial levels.
The discovery of the 3.7 billion-year-old fossil pushes back earliest life on Earth by 220 million years, raising chances that Mars once had life, when both planets were similar.
Rising temperatures can't fully explain the ongoing melting of the Greenland ice sheet. A new project looks at how microorganisms are changing the reflectivity of the ice sheet, helping it warm and me...
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Fuel and radioactive coolant was left at Camp Century, built in 1959 as part of U.S. research into the potential for nuclear missile launch sites in the Arctic.
CHRISTINE ZENINO TRAVEL PHOTOGRAPHY VIA GETTY IMAG
'That's the goal, to show the scale of this.'
Scientists have long known that the melting of the Greenland ice sheet has been a big contributor to the rise of sea levels around the world in recent years -- and now, an international team of scient...
Rising global temperatures may be affecting the Greenland ice sheet - and its contribution to sea-level rise - in more serious ways that scientists imagined, a new study finds. Recent changes to the i...