An island volcano in Papua New Guinea erupted again Sunday, sending plumes of steam and ash into the air.
Seismic activity beneath a Papua New Guinea volcano could mean that a major eruption was imminent, a scientist said Thursday.
People in Papua New Guinea are being warned that an eruption of a volcano in the South Pacific nation could also cause a local tsunami.
The Philippines raised the alert level for the country's most active volcano twice in 24 hours Sunday, meaning that a hazardous eruption is possible within days.
Smoke plumes emanating from wildfires are swept high up into the air and spread over thousands of kilometers even days after a fire has been put out. The fine particles and harmful ozone contained in these plumes often have ...