When pigeons outnumber pigeonholes, some birds must double up. This obvious statement, and its inverse, have deep connections to many areas of math and computer science.

The Choose Europe for Science program will invest more than half a billion dollars between 2025 and 2027 to recruit researchers and scientists—especially from the United States.

President Donald Trump proposed drastic budget cuts today that could stymie green energy projects, gut environmental protections, and further hobble health and climate research in the US. Topline budget proposals released today for the 2026 fiscal year would …