Similar openings on the sea floor were first spotted 18 years ago along the Mid-Atlantic Ridge. Their origins remain unknown. Scientists are asking the public for their thoughts.
A British ecologist, he captured imaginations with his hypothesis and was essential to today’s understanding of man-made pollutants and their effect on the climate.
This year, one of the last fugitives of the Earth Liberation Front pleaded guilty to arson — at a moment when climate activists are again flirting with radical ideas.
Researchers have built an algorithm that can scan old astronomical images for unnoticed space rocks, helping to detect objects that could one day imperil Earth.