On Episode 203 of This Week In Space, Rod Pyle and Tariq Malik are joined by Dr. Namrata Goswami of Johns Hopkins University to examine the potential threats to American leadership in space.

Astronomers discovered dozens of stellar streams in the Milky Way using Gaia data, offering new clues about galaxy formation and dark matter.

About 100 of the nation’s most contaminated toxic waste sites are in areas prone to flooding and wildfires, a potential public health threat to millions of Americans in surrounding communities, the internal watchdog at the U.S. Environmental Protection Agency has found. The EPA’s Office of Inspector General issued a trio of reports last week assessing the weather-related vulnerabilities of the 157 federal Superfund sites prioritized for cleanup due to the serious risk they pose to public health