College football's lone transfer portal window for the 2026 season has, for all intents and purposes, closed. Thousands of players entered and programs across the country vigorously filled needs -- ...

Compact objects are compact stellar remnants, such as white dwarfs, neutron stars and black holes and specific types of these objects (e.g., pulsars and boson stars), as well as their larger ...

Explore capitalism's core features, including private ownership, minimal government intervention, and a two-class structure, driving free-market economies worldwide.