An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

Mount Etna, standing around 3,300 meters (10,800 feet) high, erupts with smoke streaming from its summit and lava spilling from the new “Bocca Nuova” crater, according to Reuters.

Rwandan-backed M23 rebels who in late January captured Goma, the biggest city in eastern Congo, have since been advancing around one of Africa's great lakes, Lake Kivu, towards the second-biggest city ...

Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be imminent. One already blew this week, spewing lava, ash and gas ...