Astronomers are gathering in Phoenix this week for the 247th meeting of the American Astronomical Society (AAS 247), where ...

Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones ...

On a mountaintop in northern Chile, the world’s largest digital camera is preparing to power up. Its mission is simple yet ambitious — to photograph the entire night sky in extreme detail and unlock ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

Scientists outline the scientific and technical case for building a northern-hemisphere 30-meter telescope at La Palma to support time-domain and multi-messenger astronomy.

Public libraries across the state will soon have one more resource available to check out. A new program is bringing ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

Sensitive equipment and historical artifacts — including the Mills spectrograph used in the observatory’s early days to ...

Maybe you have had a casual interest in astronomy for years, looking up at the night sky every chance you get. Or maybe you’ve just recently become interested in the wonders hanging high above our ...

Ireland was home to the world’s largest telescope during its “Golden Age” and County Armagh remains home to the oldest planetarium in the British Isles. Michael O’Shea explores astronomy's incredible ...

Over the years when I’ve spoken with many other amateur astronomers about their interest in the sky most have said that it could be traced back to receiving their first telescope at Christmastime.