Even though Liberal candidate Mark Carney has a lengthy climate policy résumé, Trump’s threats have nearly drowned the issue out of the campaign.

An administration document aimed at eradicating paper straws highlights the dangers of PFAS chemicals. Their presence in tap water nationwide hasn’t gotten the same attention.

Studies in neuroscience with applications to humans offer clues about what makes us start eating, and when we stop.

An idealistic ophthalmologist, he came up with an ingenious way to treat blindness in far-flung places: by outfitting an airplane with an operating room.

A recent executive order would accelerate mining in little-understood undersea ecosystems.

The New England Journal of Medicine received a letter suggesting that it was biased and compromised by external pressure. Other journals have also received the letter.

After 20 percent of the agency’s work force was cut, federal health officials have decided to bring back some experts and review firings to fill gaps in critical roles.

A $56 million grant to train emergency responders and supply them with the overdose reversal spray, plus other programs that address addiction, could be eliminated.