Many of us gained our first appreciation for chemistry upon witnessing a high school teacher drop a chunk of sodium into a beakerful of water. You may think you know the explanation behind the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Hawaii’s Kilauea volcano could be bracing ...

HONOLULU (AP) -- For the first time in recorded history, a pond of water has been discovered inside the summit crater of Hawaii's Kilauea volcano, a development that could signal a shift to a more ...

Lava is one of the most awe-inspiring substances on Earth, whether it's flowing gently or blasting violently out of the ground. But what makes it switch between one or the other? To investigate the ...

Editor’s Note: This is the first of a five-part series called “KTAR Water Watch,” which will explore the present and future of the water supply across Arizona and metro Phoenix. PHOENIX — The images ...

In a drying time, Mars may have been kept warm enough for liquid water to remain stable on the surface thanks to explosive bursts of methane gas, a new study finds. The simulations, described in the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. HONOLULU (AP) — For the first time in ...

HONOLULUHONOLULU — For the first time in recorded history, a pond of water has been discovered inside the summit crater of Hawaii’s Kilauea volcano, a development that could signal a shift to a more ...