DNA From a Swiss Lake Bed Suggests Herders Reached the Alps Centuries Before Farmers
A 14-meter sediment core shows sheep and goat DNA appearing around 4,600 B.C., roughly 300 years before the first traces of cultivated grain.
Science
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From a Canary Island Peak, Astronomers Watch a Black Hole Tear a Star Apart in Record Detail
A European team caught the flare within hours of its onset and tracked it for 90 nights, producing the most complete record yet of a so-called tidal disruption event.
Europe's Mars Rover Finally Has a Launch Date, Eight Years Late
Built to drill two meters into the Martian surface, the rover has survived a cancelled partnership, a rebuilt landing system and three slipped windows.
In a Portuguese Cave, Footprints Suggest Neanderthal Children Played in the Mud
Thirty-eight small prints preserved under a crust of calcite point to a group of young children who walked, ran and apparently jumped in a cave chamber some 112,000 years ago.