On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...

For decades, astronomers have looked to the outer reaches of the cosmos for answers to our most fundamental questions: Where ...

The Large Magellanic Cloud (LMC) is considered a satellite galaxy of the Milky Way. It's actually visible to the naked eye ...

The Hubble Space Telescope captured a stunning view of the Milky Way's core 27,000 light-years away. The stunning footage was published to YouTube on May 3, and features an in-depth glimpse at the ...

Cepheid stars have predictable brightness changes linked to their periods. This period-brightness relationship lets astronomers calculate a Cepheid's distance. Hubble found a Cepheid in the Andromeda ...

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

For decades, astronomers have said of our Milky Way galaxy is headed for an inevitable, head-on collision with its colossal neighbor, Andromeda, in approximately 4.5 billion years. This collision, ...