How did supermassive black holes grow so fast?

Black holes in the early universe pose a bit of a problem. Based on observations from…

Road salt pollutes lake in one of the largest US protected areas, new study shows

New research shows road salt runoff into Mirror Lake in Adirondack Park prevents natural water turnover…

Beleaguered DR Congo rainforest attacked on all sides

Lush rainforest covers millions of hectares of the Democratic Republic of Congo, a central part of…

Indian Ocean island Mayotte lifts cyclone red alert

Officials on the small Indian Ocean island of Mayotte said Sunday they had lifted the red…

One dead, tourists stranded as New Zealand volcano erupts

A volcano that erupted without warning on a New Zealand island popular with tourists killed one…

Climate scientists try to cut their own carbon footprints

For years, Kim Cobb was the Indiana Jones of climate science. The Georgia Tech professor flew…

Adventurers cross Arctic Ocean on skis despite thinning ice

Two adventurers have successfully crossed the Arctic Ocean on skis after persevering through brutal conditions, briefly…

Indian Ocean island Mayotte on cyclone alert

Hopes rose Sunday on the small French Indian Ocean island of Mayotte, which has been on…

Bosnian capital of Sarajevo hit by dangerous air pollution

Authorities say air pollution in the Bosnian capital of Sarajevo has reached dangerous levels in recent…

SpaceX delivers 'mighty mice,' worms, robot to space station

SpaceX made an early holiday delivery to the International Space Station on Sunday, dropping off super…