Researchers say some human traits that are linked to sunlight, including a person's mood and sleep patterns, may be influenced by their Neanderthal forefathers.
Alternative for Germany was founded four years ago at the height of the eurozone crisis, when opposition to a German bailout of other countries using the common currency was strong.
Scientists say one-third of the ice stored in Asia's glaciers will be lost by the end of the century even if the world manages to meet its ambitious goal of keeping global warming below 1.5 degrees Celsius, affecting water supplies for millions of people on the continent.
From a distance, the northern shores of Baffin Island in the Arctic appear barren — a craggy world of snow-capped peaks and glaciers surrounded by a sea of floating ice even in the midst of summer.
Global warming is opening up the fabled Northwest Passage, a route through Arctic waters that's closed to ships for most of the year.
Scientists say climate change is affecting the timing of river floods across Europe, with the biggest shifts seen along the Atlantic coast.
For much of the year, the Arctic appears as a crumpled white sheet of ice and snow before great chunks break off around the edges in spring, forming a sea of floes that gently dance across the frigid waters.
While it may be frigid and wet on deck, the crew of a modern icebreaker can expect creature comforts inside the ship, even saunas.
More than a century has passed since the first successful transit of the treacherous, ice-bound Northwest Passage by Norwegian explorer Roald Amundsen in 1906.
German lawmakers are poised to pass a bill designed to enforce the country's existing limits on free speech — including the long-standing ban on Holocaust denial — in social networks.
Strong statements on the need to combat climate change have become staple fare at global summits — a problem, like terrorism, that all leaders traditionally agreed needs to be tackled even if they differed on the details.