Some of the most trusted long-range forecasts in celestial mechanics rest on a deceptively simple maneuver: average away the rapid...

Every time a spacecraft comes home, it does so by riding a wall of fire. A vehicle returning from orbit...

Traversable wormholes—shortcuts threading space-time like a tunnel through a mountain—have haunted theoretical physics for nearly a century, and every serious...

A new modeling system that combines signals from navigation satellites with observations from a Chinese weather satellite has produced a...

A mathematical study has overturned a long-standing expectation about gravitational waves: a spacetime can remain geodesically complete even when its...

A coupled numerical model shows how aluminum particle size changes combustion stages, burning time, vaporization, and condensed alumina formation.

Researchers propose continuous supply-chain due diligence to make lunar resource extraction and space-based manufacturing safer, more accountable and more sustainable.

A single, oblique collision may have transformed Deimos from an ordinary fragment of the early Solar System into the smooth,...

A review explains how three-dimensional non-local thermodynamic equilibrium radiation-transfer models can improve interpretations of stars, exoplanets, and kilonovae.

Physicists have assembled one of the most wide-ranging theoretical portraits yet of two of nature’s most tightly bound objects: charmonium,...