A new study published in The Lancet is forecasting a “jaw-dropping” decline in the planet’s population by 2100, with the number of people in 23 countries expected to drop by half by the end of the century. While fewer humans using up fewer resources might sound like a good thing, the study’sread more

Researchers in England have discovered a long-lost subterranean megalithic structure near Stonehenge, a massive circle of large vertical shafts arranged in a miles-wide circle that may prove to be Britain’s largest prehistoric monument. Led by the University of Birmingham, the Stonehenge Hidden Landscapes Project is a survey of the environs around Stonehengeread more

NASA’s Curiosity Rover has detected an organic molecule in Mars’ Gale Crater that is typically associated with fossil fuels and fungi on Earth, another potential sign that life once existed—or continues to exist—somewhere on or in the Red Planet. Additionally, the agency’s Mars Reconnaissance Orbiter returned a picture of an unusual hole in theread more

After more than a decade of research, scientists have discovered what may be the first known complete protein molecule in a meteorite, the first discovery of its kind confirmed to be from an extraterrestrial source. Although simpler amino acid molecules, such as glycine, have been found in meteorites before, compoundsread more