A black hole, seven times the mass of the Sun and located nearly 5,000 light-years away, has been confirmed as the first to ...

ESO/L. Calçada, N. Risinger (skysurvey.org), DSS, VISTA, VVV Survey/D. Minniti DSS, Nogueras-Lara et al., Schoedel, NACO, ...

Scientists have confirmed the first known solitary black hole. It’s a rogue, companionless object drifting through our galaxy ...

Not only are the blast of fresh air, the sudden darkness and the sigh of suburban quiet a welcome break from the barrage of ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

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Arizona’s state parks are the unsung heroes of our natural landscape – less crowded than national parks but every bit as ...

The real magic of Arizona isn’t found on those tourist-packed postcards or crowded viewpoints where everyone’s jostling for the same selfie. It’s hiding in plain sight across our state’s lesser-known ...