Astrophysicists observing the collision of two neutron stars have detected the smallest black hole ever observed.

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The full Moon November 2024 is known as the Beaver Moon since beavers begin to build their dams before the ground freezes.

NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...

Lowell Observatory, 1400 W. Mars Hill Road, Flagstaff. (520) 401-7173. 10 a.m.-10 p.m., $35. The grand opening of the Marley ...

A mini moon that will bid farewell to Earth soon may in fact be a small hunk of the big moon — the one that has loomed far ...

Over the quarter century I’ve been writing this column, I've been flabbergasted by the advances in telescopes for backyard ...

Scientists are trying to figure out how minerals connected to exoplanetary water would look to the James Webb Space Telescope ...

Astronomers have spotted for the first time a trio of supermassive galaxies that were already fully formed in the first ...

The supermassive black holes have a combined mass 40 million times that of the Sun and they are about one light-day away from ...

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...