All Stories

  1. Physics

    Scientists Say: Microgravity

    Gravity is a force that brings objects together. But when those objects get far away, the force feels small. It feels like microgravity.

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  2. Health & Medicine

    Can we taste fat? The brain thinks so

    Scientists had not considered fat a 'taste.' The brain begs to differ, new data show.

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  3. Health & Medicine

    New COVID-19 vaccines show promise in people

    Early data from human trials show that several candidate COVID-19 vaccines produce virus-inactivating antibodies and immune cells that fight the virus.

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  4. Health & Medicine

    Explainer: What are Antibodies?

    Antibodies are one of the major players in the immune system’s attack against germs. Learn what they are, what they do and how they keep us healthy.

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  5. Fossils

    These crocodile ancestors lived a two-legged life

    A set of 106-million year old footprints show a crocodile relative appears to have walked on two legs.

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  6. Ecosystems

    Let’s learn about coral reefs

    Coral reefs are home to many important species. But climate change is stressing corals to the max.

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  7. Earth

    Lightning megaflashes set big new distance and duration records

    Scans of satellite images identified two lightning bolts with previously unheard-of dimensions. Both flashed through the skies over South America.

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  8. Chemistry

    Scientists Say: Atom

    An atom is the smallest possible piece of a chemical element.

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  9. Health & Medicine

    Remdesivir is looking even better at fighting COVID-19

    New studies suggest the drug remdesivir not only speeds recovery of COVID-19 patients in the hospital, but lowers their risk of death from the virus.

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  10. Animals

    What you need to know about ‘murder hornets’

    Two new specimens of the world’s largest hornet have just turned up in the United States. Here’s what to make of them and other alien-hornet invaders.

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