In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way ... on a dark night. Galaxies come in a very wide range of sizes and masses. Measuring a galaxy ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed ... to the naked eye from a dark site. The Andromeda galaxy, then known as the ...

In 1925, astronomers were still debating whether the Milky Way galaxy encompassed the entire universe. It is incredibly huge, 100,000 light years from one side to ... dubbed dark energy is driving ...

Observations show Andromeda has a more active star formation history than the Milky Way ... galaxy M32, that may be the residual core of a galaxy that once collided with Andromeda E - Dark ...

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

When we think of astrophotography, usually big telescopes on robotic mounts that cost thousands of dollars come to mind. But ...

A black hole might conjure images of a dark, quiet void, but never-seen-before images captured by the James Webb Space Telescope reveals the centre of the Milky Way looks more like fireworks.

It appears as a fuzzy cigar shape in the sky on clear and dark nights ... within the Milky Way, per the NASA statement. But when Andromeda proved to be its very own galaxy, astronomers realized ...