Curious Kids: What do tornadoes look like on the inside?

Researchers identified over 5,500 new viruses in the ocean, including a missing link in viral evolution

Curious Kids: What is a dwarf planet?

Curious Kids: How did cockroaches survive the asteroid that led to the extinction of dinosaurs?

A large solar storm could knock out the power grid and the internet

Even mild cases of COVID-19 can leave a mark on the brain, such as reductions in gray matter

What you eat can reprogram your genes – an expert explains the emerging science of nutrigenomics

Solar storms can destroy satellites with ease – a space weather expert explains the science

A rocket crashes into the Moon – the accidental experiment will shed light on the physics of impacts in space

Curious Kids: Why do humans have bones instead of cartilage like sharks?

Curious Kids: Why do people get diarrhea?

Dogs can be trained to sniff out COVID-19

Curious Kids: Why do we bleed?

Curious Kids: How many bones do penguins have?

Report: 6th mass extinction event likely already under way

Tonga eruption was so intense, it caused the atmosphere to ring like a bell

What is bioengineered food? An agriculture expert explains

Alpha then delta and now omicron – 6 questions answered as COVID-19 cases once again surge across the globe

Curious Kids: Why do plants grow straight?

Why the volcanic eruption in Tonga was so violent, and what to expect next

Genomic sequencing: Here’s how researchers identify omicron and other COVID-19 variants

Tornadoes and climate change: What a warming world means for deadly twisters and the type of storms that spawn them

Curious Kids: Why is my poop brown?

EarthTalk – Have the benefits of protecting the ozone layer been calculated?