After becoming a sperm donor, Tim Gullicksen wanted to get to know his donor kids. Now he invites them all out to a lake in California every summer.

After a wildfire razed a Canadian town, its leaders pushed for climate-friendly rebuilding. Residents just wanted to come home.

More parents are driving kids than ever before. The result is mayhem.

The Pacific sardine population is crashing. Meanwhile, thriving anchovies attract a circus of charismatic megafauna. 

Starting with his claims of an “autism epidemic.”

If the Trump administration wants more babies, it needs to embrace a different kind of parent.

The health secretary’s approach to the condition gives the impression that two decades of research simply never happened.

I now had two children, but was only just beginning to understand what it means to be a parent.