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

Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Sisters has been named Oregon's newest 'Dark Sky Community,' in recognition of the city’s efforts to curb light pollution.

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

Are you fascinated by planets and stars? Do you love staring into the night sky? Here are some places that guarantee a ...

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

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...