Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

How is the International Space Station able to orbit without burning up? – Mateo, age 8, New York, New York

Flying through...

Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of life and death, good and evil. Some famous twins are credited with the birth of nations, others are de...

Cities tackle a vast array of responsibilities – from building transit networks to running schools – and sometimes they can use a little help. That’s why local governments have long teamed up with businesses in so-called public-private partnerships. Historically, these arrangements have helped cities fund big infrastructure...

Black adults living with long COVID pointed to challenges with their physical health – rather than their mental health – when asked to describe their long-COVID symptoms. That is one key finding from our ne...

In an era marked by both significant advancesand setbacks for LGBTQ+ people, charitable giving to LGBTQ+ organizations more than doubled in a recent 10-year period.

Despite that swift growth, those donations still amount to...

Stereotypes abound about liberal arts degrees leading to low-paying jobs, despite research showing that humanities majors earn salaries comparable to students in many other majors.

Authorities from the White House to high school guidance...

The U.S. looks set to have its first-ever Cuban American secretary of state in 2025, after President-elect Donald Trump nominated U.S. Sen. Marco Rubio of Florida for the role. But don’t expect that to mean cozier relations between...

Mention the FBI, and many older Americans will likely think of a time when the agency was run by J. Edgar Hoover, who spent much...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of evolution in its simplest form: descent with...

The U.S. health care system leaves much to be desired.

It is convoluted, fragmented, complex and confusing. Experts have also raised concerns about quality, and disparities are rampant. And, of course, it is excessively costly &nd...