Researchers using the Event Horizon Telescope have significantly advanced our understanding of the supermassive black hole at ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

From decades of astronomical observations scientists know that most galaxies contain massive black holes at their centers. The gas and dust falling ...

Tucson's new ‘Astro Trail' is a collection of national parks, state parks, observatories, and planetariums, that offer a ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that the Coma Cluster of galaxies is 38 million light-years closer than it should ...

Either way, we need to know more, which is why a lot rests on the shoulders of the Dark Energy Spectroscopic Instrument (DESI), based at the Mayall 4-meter telescope at Kitt Peak National ...

Pace (University of Virginia), and Adam Smercina (Space Telescope Science Institute ... astronomical research on I’oligam Du’ag (Kitt Peak) in Arizona, on Maunakea in Hawai‘i, and on ...