Earth

Warming can encourage the growth of microbes in permafrost that produce more greenhouse gases

It is theoretically possible, though there is no known connection between the fault systems

Come visit some very unusual sedimentary rocks on Seattle's Richmond Beach

Ice melt in the mountain range today is twice as fast as it was before 2000, once-secret images show

If greenhouse gases are not curbed, 60 percent of the world will set monthly records by century’s end

Robotic floats and elephant seals helped solve the mystery of the formation of features called polynyas

A new finding points to possible life in other extreme environments, including on ancient Mars

Rising ocean temperatures and melting ice are disrupting the birds’ food sources

Fish that are so small and shy that they escape attention may be the foundation of reefs’ outsize productivity

The atomic age would mark the start of the current geologic time unit, if proposal receives final approval

Atmospheric carbon dioxide recently reached 415 parts per million for the first time

The detection of this radioactive relic of nuclear weapons tests in a remote environment shows humanity’s far-reaching environmental impact