A volcanic eruption in 2910 B.C. may be the reason Neolithic people on a small island in the Baltic Sea buried hundreds of stones decorated with plant and sun imagery, archaeologists suggest in a ...

Appearing as cooler, dark patches when viewed in extreme ultraviolet and soft X-ray images of the sun, coronal holes are caused when the ... and can vary in color depending on the species of atom ...

“If the sun almost disappeared due to mist in the stratosphere for longer periods of time, it would have been extremely frightening for them.” A volcanic eruption would have darkened the sky ...

Last year, we released our first annual newsletter and it looked at being safe and #sunsmart when taking a required risk in ...

It is a dark sedimentary rock that can be easily spotted on the island. Other stone artifacts were carved out of quartz and flint. Researchers noted that the plant and sun designs were etched into ...