At a wind farm in Zunyi, Guizhou province, summer nights are marked by clear skies and an expanse of stars. [Photo by Wu ...

Stellar migration may greatly increase the number of habitable planets in the Milky Way. Future ESA missions will test these predictions with detailed exoplanet observations. What can the Galactic Hab ...

For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

Most stars in the Milky Way move at steady speeds, orbiting the galactic center in regular paths. But astronomers have ...

Millky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. [Gaia spacecraft: Mapping the ...

ESA's Gaia mission ends its tenure—creating the most comprehensive and precise 3D map of Milky Way Galaxy In March 2025, the ...

A rare kind of white dwarf can escape the galaxy at 1,200 miles per second. New 3D simulations explain the violent supernova chain behind it.

A key mystery about Type Ia supernovas is that, in the dominant theory known as D6, a white dwarf would need a companion star ...

After several hyper-fast white dwarf stars were discovered, there is now an explanation. The objects are the product of a ...

Astronomers have uncovered the origins of some of the fastest stars in the Milky Way—hypervelocity white dwarfs, which can ...

In a breakthrough study published in Nature Astronomy, researchers have discovered a new origin for some of the fastest stars ...