These record-breaking temperatures are continuing a trend set to establish 2015 as one of the warmest years on record.
An NOAA meteorologist explains why the Northeast and Midwest are so warm this December.
Coal, cars and weather are all creating smog thick enough to make people sick and obstruct vision in Beijing.
A drug meant to treat opioid overdoses gave a woman the chance to feel a sensation completely new to her: pain.
Not long after the UN announced this year's El Nino could become the "worst ever," one key metric shows just that.
India's largest and most productive coal fields are also home to the largest collection of some of the longest-burning coal fires in the world.
Representatives from countries around the world gather in Paris this week to set carbon emissions targets they hope will reduce climate change.
Sugar-free mixers speed the absorption of alcohol into the bloodstream.
The oceans, which comprise 70% of the planet and support 2 million species, are dying. Here's 5 of the biggest challenges facing our waters.
AquaBounty has received approval from the FDA to sell its AquAdvantage salmon in the US, but critics have denounced the 'frankenfish.'