The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Perihelion, the point in a planet’s orbit where it is closest to the Sun, is a fascinating phenomenon that shapes much of our ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...