The universe has a habit of surprising us, revealing its deepest secrets in the most unexpected ways. One such revelation arrived in the form of an astonishing discovery around the elliptical galaxy ...

From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens in the cosmos. It shapes planets and people, bends light into celestial ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe estimates, ...