First, a quick overview: the Milky Way is classified as a disk galaxy, with a broad circular collection of stars, gas and ...

Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

One other thing the Gaia data has been clarifying is that the Milky Way's disk is not serene and flat, but warped and ...

Cepheid variable stars, pulsating stars with varying brightness and size, are crucial for determining astronomical distances, as exemplified by Edwin Hubble's Andromeda Galaxy measurement. The Leavitt ...

Our Milky Way is far from calm — it ripples with a colossal wave spanning tens of thousands of light-years, revealed by ESA’s Gaia telescope. This wave, moving through the galaxy’s disc like ripples ...

Physicists have improved the accuracy of a technique that uses variable stars to measure distances in the universe, providing a new figure for its expansion rate. When you purchase through links on ...

The Hubble Constant is the unit of measurement used to describe the expansion of the universe. The cosmos has been getting bigger since the Big Bang kick-started the growth about 13.82 billion years ...