A one-line change in the Dec. 18, 2025 Executive Order, Ensuring American Space Superiority, reopened a debate: should the United States charge satellite operators for basic space situational ...

A performance at Flock at Kampong Java. Artists say the brand-new venue gives them the freedom to experiment and shape how it evolves. New: You can now listen to articles. SINGAPORE: A new ...

The Center for Astrophysics and Space Astronomy (CASA) is dedicated to advancing our understanding of the Universe in which we live through observations, theory, and the development of ground-based ...