After days of heavy rain last week, some New Zealand residents got a big surprise when a massive six-story sinkhole suddenly appeared. The sinkhole is one of largest ever spotted in the country - so big, in fact, that it exposed earth from the Paleolithic era. The astonishing fissure is 656 feet long, 66 feet...

After days of heavy rain last week, some New Zealand residents got a big surprise when a massive six-story sinkhole suddenly appeared. The sinkhole...

Add concrete to the list of things graphene can improve. Scientists at the University of Exeter's Center for Graphene Science developed a new technique to incorporate graphene in concrete production with the help of nanoengineering technology — and the resulting material is not only over twice as strong as concretes...

Add concrete to the list of things graphene can improve. Scientists at the University of Exeter's Center for Graphene Science developed a new...

Kilauea, the most active volcano on Hawaii's Big Island, erupted late yesterday after a spate of earthquakes. The state's governor, David Ige, declared a local state of emergency. There are active volcanic vents on the Makamae and Mohala streets, and hundreds of residents have been ordered to evacuate. The...

Kilauea, the most active volcano on Hawaii's Big Island, erupted late yesterday after a spate of earthquakes. The state's governor, David Ige,...