An astrophysicist explains what wormholes are and how these theoretical space-time tunnels have popped up in the solutions to a set of decadesold equations.

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Overview: The article lists science fiction films that use space and time travel to explore human emotions like loss, ...

With the ability to generate thousands of times the G-force of Earth and to handle as much as 1,900 tons of mass combined ...

Interstellar comet 3I/ATLAS and its unusual gas-to-dust chemistry Crewed and robotic lunar missions advancing sustained exploration Asteroid characterization and deflection studies supporting ...

UK-based Space Forge wants to create ultra-high-quality crystals in space for the manufacture of semiconductors back on Earth.