Trisha Muro

All Stories by Trisha Muro

  1. Physics

    Explainer: Gravity and microgravity

    The force of gravity holds us on the ground, keeps planets in orbit and extends throughout space. A very weak gravitational pull is called microgravity.

  2. Space

    Explainer: Telescopes see light — and sometimes ancient history

    Different kinds of telescopes on Earth and in space help us to see all wavelengths of light. Some can even peer billions of years back in time.

  3. Physics

    Explainer: Understanding electricity

    Here’s what allows you to plug in and power up the devices in your life.

  4. Physics

    Scientists Say: Big Bang

    The Big Bang is the current theory about how our universe came to be. It began with a vast explosion of matter — a very Big Bang.