Volcanos are releasing ash and smoke into the atmosphere on three continents. That might be making you think back to your elementary school science class when you probably studied volcanoes and lava.

Magma is the molten material beneath the Earth's crust. It usually collects in a magma chamber beneath a volcano, and can then be injected into cracks in rocks or issue out of volcanoes in eruptions.

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

PAHOA, Hawaii – Lava oozing out of cracks for two weeks in rural Hawaii neighborhoods took on new characteristics as fresher magma mixed with decades-old magma, sending a flow toward the ocean ...

A lava river fed by the erupting Kilauea volcano in Hawaii is moving faster. A river of lava fed by the erupting Kilauea volcano on the Big Island of Hawaii and its many fissures was moving faster and ...

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to ...

PAHOA, Hawaii (AP) -- Lava oozing out of cracks for two weeks in rural Hawaii neighborhoods took on new characteristics as fresher magma mixed with decades-old magma, sending a flow toward the ocean ...

PAHOA, Hawaii --Lava oozing out of cracks for two weeks in rural Hawaii neighborhoods took on new characteristics as fresher magma mixed with decades-old magma, sending a flow toward the ocean this ...