How virus detectives trace the origins of an outbreak – and why it’s so tricky

Why do we hate the sound of our own voices?

Why do we get shots in the arm? It's all about the muscle

Supermoon! Red blood lunar eclipse! It's all happening at once, but what does that mean?

Curious Kids: How much energy can people create at one time without losing control?

Reducing methane is crucial for protecting climate and health, and it can pay for itself – so why aren't more companies doing it?

Scientists are on a path to sequencing 1 million human genomes and use big data to unlock genetic secrets

How many Tyrannosaurus rex walked the Earth?

What is mRNA? The messenger molecule that's been in every living cell for billions of years is the key ingredient in some COVID-19 vaccines

Curious Kids: How did humans evolve, and will we evolve more?

Curious Kids: If everyone on Earth sat in the ocean at once, how much would sea level rise?

Chocolate's secret ingredient is the fermenting microbes that make it taste so good

Billions of cicadas may be coming soon to trees near you

Curious Kids: How do astronauts go to the bathroom in space?

6 tips to help you detect fake science news

What exactly is the polar vortex?

Curious Kids: When dogs bark, are they using words to communicate?

Curious Kids: Could a human enter a black hole to study it?

Curious Kids: Why does it take longer to fly from east to west on an airplane?

Harvard study: COVID patients may be protected for up to four months

Why males may have a worse response to COVID-19

When COVID-19 superspreaders are talking, where you sit in the room matters

Honey bees can't practice social distancing, so they stay healthy in close quarters by working together

Curious Kids: Why does some rain fall harder than other rain?