Astronomers Could Detect Gravitational Waves by Tracking the Moon's Orbit Around the Earth

Russia strikes Ukraine with new hypersonic missiles: Here's how they work.

Mars Orbiter Captures Images of China’s Rover From Space

‘Quantum hair’ could resolve Hawking’s black hole paradox. Scientists demonstrated that black holes have gravitational fields that hold information about how they were formed. Matter collapsing into a black hole leaves a mark in its gravitational field—an imprint referred to as a "quantum hair."