Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when astronomers measure it carefully, our home galaxy turns out to be a ...

A view of the center of our galaxy shows the Sagittarius C (Sgr C) region, where cold dust (magenta) and warmer gas and dust (cyan) surround a cluster of massive stars. The stars generate high-speed ...

If a pulsar that may lie at the center of our galaxy is confirmed, it could enable more precise measurements of the spacetime around the Milky Way’s central supermassive black hole At the center of ...