sits atop a supervolcano crater that has had at least one historic eruption so violent and big it covered around half the US in ash and led to a global volcanic winter lasting for years.

The stones appeared at the Neolithic, or New Stone Age, site of Vasagård approximately 4,900 years ago, at around the same time as a devastating volcanic winter in Northern Europe. The objects may ...

This eruption likely caused a "volcanic winter," with diminished sunlight and cooling temperatures. Dendrochronological data from fossil wood further confirm frost damage during spring and summer in ...

Neolithic people buried hundreds of stones carved with images of the sun about 4900 years ago and they may have done it because a volcanic eruption covered the sky ...

These eruptions likely cast a volcanic winter over the northern hemisphere, impacting the trees at Mount Iškoras in Norway, where the study was conducted. "Blue rings look like unfinished growth ...

Letchworth isn’t the only place to witness this rare winter phenomenon. Along the frozen shores of Lake Ontario, water pushes ...

Scientists in Iceland say there is an increasing likelihood that a volcano, which has erupted several times since the end of ...