Environment Should You Let Your Cat Go Outside? Putting your cat out into nature may do significant damage to the local ecosystem. Andrew Small
Social Justice Why Progressive Cities in Conservative States Are Losing Their Political Influence State lawmakers are increasingly using tactics that suppress progressive legislation being passed in metropolitan areas. Maresa Strano
Environment Why Puma Population Control Is Not Necessarily a Win for Hunters New research suggests that recent moves to increase the numbers of sought-after trophy species might be ill-advised and counterproductive. John C. Cannon
Social Justice Why Kentucky’s Secretary of State Is Warring With the State Board of Elections It all began with an ethics complaint. Jessica Huseman & Daniel Desrochers
Education How an Autodidact Astronomer Became the First American to Discover a Comet Maria Mitchell was the only widely recognized and respected female astronomer of her time—something she fought to change. Laetitia Meyrueix
Environment Thanks to Global Warming the Alps Could Soon Be Ice-Free Even under moderate warming, Alpine glaciers would shed two-thirds of their present mass by the end of the century. Malavika Vyawahare
Economics What Would a ‘Hard Brexit’ Mean for the United States? If the British fail to negotiate a soft exit from the E.U. American car manufacturers, drugmakers, and banks could all suffer. Elham Mafi-Kreft
Environment Illegal Fishing Persists in Honduran Shark Sanctuaries A conversation with marine biologist Gabriela Ochoa about th eimpacts of shark fishing in the La Mosquita region. Michelle Carrere
Environment How Climate Research Can Adapt to the Imminent Threat of Global Warming It's time for the climate science research enterprise to focus on integrating fundamental science inquiry with risk management. Robert Kopp
Environment To Stop Extinction, Start With These 169 Islands New research shows that culling invasive, non-native animals on just 169 islands around the world over roughly the next decade could help save almost 10 percent of island-dwelling animals at risk of extinction. John C. Cannon