The Stand Up for Science rallies are a response to the Trump administration’s actions, which critics see as a threat to scientific progress.

Thousands of people, including researchers, scientists, medical professionals and cancer survivors rallied across the U.S. in protest of the Trump Administration’s firings, budget and grants cuts in health,

The Stand Up for Science rally in Seattle, part of a nationwide effort, filled the mural amphitheater at the Seattle Center. (Photo courtesy of Bryn