(CNN) — Life expectancy fell across the majority of high-income countries, signaling a collective and simultaneous decline among affluent nations for the first time in decades, a new study finds.

New data from the Office for National Statistics shows that people born in the UK today are expected to live longer than previous generations. However, projected life expectancy for children born in ...

For most of human history, life unfolded quickly and ended abruptly. In the early 19th century, global life expectancy ...

After more than a century of steady progress, new research warns that the world’s life expectancy boom is slowing, largely because improvements in early-life mortality have already been achieved.