The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

NASA’s “What’s Up” guide for October 2025 outlines the month’s best celestial events, including Moon–planet pairings, meteor showers, and stargazing tips for observers worldwide.

NASA/ESA/M. Kornmesser Thanks to his discoveries ... Slipher found, for example, that the Andromeda galaxy was moving toward Earth, but the other spirals he measured were moving away—far faster than ...

October is a star-studded month with two meteor showers, winter constellations and a good chance to see a trio of green ...

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

Daniel H. Wilson chose his hometown for the national book launch of his latest work, “Hole in the Sky," a first-contact story ...

The Hubble Space Telescope, a cornerstone of modern astronomy, has been providing breathtaking images and invaluable data for ...

The first quarter moon is October 29th, so trick or treaters can be treated to a fine view of the waxing gibbous moon and ...

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...

Catch a glimpse of the Andromeda Galaxy as it hangs high in the October night sky. Late October presents a perfect ...

The nearby satellite galaxy M32 can also be seen as a bright ball on the upper edge of Andromeda's disk while the milky ...

NASA on Monday introduced 10 new astronauts, four men and six women selected from more than 8,000 applicants, to begin training for future flights to the International Space Station, the moon and, ...