The Russian opposition leader’s account of his last years and his admonition to his country and the world.

The study found that without the phasing out of fossil fuels, temperatures will continue to soar.

YouTube video by Cambridge Disinformation Summit

The president told one group of House Republicans Wednesday that Congress shouldn’t touch three things if they want to win elections: Medicaid, Medicare and Social Security.

USAID funding has significantly contributed to the reduction in adult and child mortality across low-income and middle-income countries over the past two decades. Our estimates show that, unless the a...

A new ProPublica data analysis adds to the mounting evidence that abortion bans have made the common experience of first-trimester miscarriage far more dangerous.

This is the compelling, first-hand account of Alan Guth's paradigm-breaking discovery of the origins of the universe—and of his dramatic rise from young...