One of the best places to study stars is inside "open clusters," which are groups of stars that formed together from the same ...

But until now, they didn't realize the stars were part of a group. The river, which is 1,300 light-years long and 160 light-years wide, winds through the Milky Way's vast, dense star field.

With the help of a three-dimensional map of stars near the sun, astronomers can search for alien planets that might hold life. The map was created by NASA’s Chandra X-ray space telescope, which ...

These improved estimates were a result of more accurate measurements of stars obtained by the European Space Agency’s Gaia space telescope, designed to precisely measure and map the properties of ...

In this simulated map of the Milky Way, age is color-coded: the youngest stars are in blue, the oldest stars in red, and middle-aged stars in green. The creation of a model for star age is a major ...