MOISES VELASQUEZ-MANOFF

The largest trees on the planet can’t easily ‘migrate’ — but in a warming world, some humans are helping them try to find new homes.

As a science writer, I’ve spent years covering the rise of allergic conditions. Why couldn’t I figure out my own?

After years of destructive weather that have disrupted Puerto Rico’s food supplies, new visions of local agriculture are taking root.

A wave of parents has been radicalized by Covid-era misinformation to reject ordinary childhood immunizations — with potentially lethal consequences.