Mike Hughes promoted himself as believing that the Earth was flat. He launched homemade rockets with the goal of eventually flying to the edge of space to see for himself.

(Image credit: Mercedes Blackehart/AP)

To test how prevalent counterfeits are online, Marketplace purchased dozens of well-known products from five popular online retailers: AliExpress, Amazon, eBay, Walmart and Wish. More than half were suspected knockoffs.

In this week's issue of our environment newsletter, we look at the rising popularity of wood buildings, the future of oil stocks and why Canada will likely see climate migrants.

Nature, Published online: 16 January 2020; doi:10.1038/d41586-020-00121-5

A new survey from Sesame Workshop suggests when it comes to talking with kids about things such as race, class and gender, parents have some work to do.

(Image credit: Fahmida Azim for NPR)

Is eternal economic growth a fairy tale, as the young climate activist Greta Thunberg suggested this week? Some economists say yes, but it may depend on how you define growth.