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Position: Staff reporter

First spark of life on Earth repeated by way of a laser?

Scientists think so, others doubt it

Heat leaves imprint on Earth

Data reveals drastic effects

Study: Polar bear population falling

WASHINGTON – A new U.S.-Canada study says a key polar bear population fell nearly by half in the past decade, with scientists seeing a dramatic increase in young cubs dying. Resea...

Global warming lighting up sky

Lightning strikes expected to rise 50%

Robot snuggles with shy penguins

Fifth version of roving chick does the trick

Watery dead zones on the rise

Researchers say global warming is a contributor

Scientists unveil goofy dinosaur

WASHINGTON – Nearly 50 years ago, scientists found bones of two large, powerful dinosaur arms in Mongolia and figured they had discovered a fearsome critter with killer claws. Now...

Surge in natural gas use won’t slow global warming

Other energy technologies could suffer, study says

With our mark on Earth, humans may name era, too

WASHINGTON – People are changing Earth so much, warming and polluting it, that many scientists are turning to a new way to describe the time we live in. They’re calling it the Anthropocene –...

Four Corners a methane hot spot

Satellite imagery shows high levels here

Some of world’s wild weather tied to global warming

Climate change caused Australian heat wave, but not Colorado’s heavy rains in 2013

Weather forecasts get more local

WASHINGTON – The next time some nasty storms are heading your way, the National Weather Service says it will have a better forecast of just how close they could come to you. The w...