Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing ...

According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal force.

If true (and it’s a pretty big “if”), Vopson’s new gravitational study would shake the foundations of the currently accepted view of the universe. In his paper, Vopson writes that his new work could ...

Russia has quietly taken a bold step toward solving one of spaceflight’s oldest problems by patenting a space station design ...

When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...