Using an advanced instrument mounted to the Mayall 4-meter Telescope at Kitt Peak, an international research team has produced the largest 3D map of the universe ever made and uncovered mounting ...

He simply wanted to look through telescopes and the UA, in 1969, had built a 90-inch telescope on Kitt Peak that was the seventh-largest in the world. "I was interested in the spectroscopy of ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

The ALMA radio telescope array in the Atacama Desert temporarily halted operations after a rare snowfall blanketed the base ...

Skywatchers can catch a rare conjunction of the moon and Mars on June 29, appearing as a reddish "cherry" near a crescent ...