Gravity is the unseen force that shapes the universe, yet we rarely give it much thought. First explained by Sir Isaac Newton, it is the pull that draws objects toward one another based on their mass ...

As my arms lift from my sides, and the rest of my body follows suit toward the ceiling of a modified Boeing 727—next to scientists, astronauts, engineers and activists—I think, “How did I get here?” I ...

A new argument explores how the growth of disorder could cause massive objects to move toward one another. Physicists are both interested and skeptical. Isaac Newton was never entirely happy with his ...