The “Christmas Tree Cluster,” or NGC 2264, is an array of young stars — all between 1 and 5 million years old — that is about ...

The eruption occurred about 2:20 a.m. local time Monday within Halemaʻumaʻu crater inside Kilauea's summit caldera, a closed area of Hawaii Volcanoes National Park.

Photos and videos show lava fountains flowing and spreading after Kilauea, one of the world’s most active volcanoes, erupted ...