Pair of merging quasars at cosmic dawn
A new way to measure aging and disease risk with the protein aggregation clock
Is Earth really getting too hot for people to survive? A scientist explains extreme heat and the role of climate change

Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it. [2]. My parents said the planet is getting too hot for people to live here. They called it climate change. What does that mean? – Joseph, age 12, Boise, Idaho Many countries have seen extremely hot weather lately, but in most of the inhabited world, it’s never
...