March for Science: Los Angeles
Marchers showed up in droves to support scientists during the March for Science in Los Angeles.
March for Science: San Francisco
People listen to a pre-march talk near the Ferry Building ahead of the March for Science in San Francisco in this photo by Space.com's Mike Wall.
Beaker at the March for Science
Members of the Union for Concerned Scientists pose for photographs with Muppet character Beaker in front of The White House before heading to the National Mall for the March for Science on April 22, 2017 in Washington, DC. The rally and march are being referred to as a call to support and safeguard the scientific community.
You Bet Uranus
Participants march through the streets of Manhattan during the March for Science in New York City.
Orange Electric Hummer for March for Science
Two electric-powered Hummers, created by the production company Drive Around the World, led the March for Science Los Angeles on April 22, 2017.