As construction continues on ESO's Extremely Large Telescope, the observatory shared some stunning photos of the site as the ...

The Catholic Church has almost always been at the forefront of astronomical research and its facilities in Arizona are among ...

Hubble celebrates its 35th launch anniversary tomorrow (April 24), but there is a slight, yet tangible, damper in the air.

Hubble was built with a number of instruments onboard, including the Wide Field Planetary Camera (WFPC), the Goddard High ...

NSF–DOE Vera C. Rubin Observatory is gearing up to illuminate the universe’s darkest secrets with groundbreaking new ...

The giant eye on the sky with its 39 metres diameter main mirror made of 798 segments will gather light from distant stars and galaxies: 15 times more than the largest telescopes today.

Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego.