The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

Shutterstock The Grand Canyon State is a Certified Stargazing Paradise Arizona has some of the darkest, clearest skies in the ...

Shaped like a megaphone, the upcoming mission will map the entire sky in infrared light to answer big questions about the ...

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

According to NASA's SPHEREx mission details, the observatory will survey the entire sky using near-infrared light. Its goals include exploring how galaxies evolved, understanding the structure of the ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Night-sky tourism, or "noctourism," is set to be a major travel driver this coming year, Booking.com predicts. Why it matters ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.