physics

This new nanotech could help clean up Earth's microplastics

By Berly McCoy

Chemists have adapted emerging technology -- called nanocoils -- to dissolve microplastics and turn the pollution into food for algae.

Katie Bouman 'hardly knew what a black hole was.' Her algorithm helped us see one

By Vicky Stein

Imaging scientist Katie Bouman chats with the PBS NewsHour about how she crafted an algorithm that constructed the first ever photo of a black hole.

Here is the first photo of a black hole

By Nsikan Akpan

On Wednesday, the Event Horizon Telescope released the first-ever image of a black hole, a historic moment shared by scientists spread around the world.

WATCH: What does a black hole look like? Scientists reveal the first picture

By Nsikan Akpan

The Event Horizon Telescope is expected to release the first image of a black hole on Wednesday. In preparation for what might be a momentous day, here’s what you need to know.

If this space study is right, humans have never left Earth's atmosphere

By Vicky Stein

A new study redefines the boundaries of our planet.

Why the northern and southern lights don't always look identical

By Vicky Stein

On a clear night, people near the poles might see colorful light wafting across the sky. New research could explain why these auroras don't look the same to everyone .