Researchers using the Event Horizon Telescope have significantly advanced our understanding of the supermassive black hole at the center of M87, revealing new details about its rotation and the ...

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

A Milky Way-surveying spacecraft found a planet 12 times more massive than Jupiter, along with a brown dwarf, each distantly orbiting stars smaller than the sun. Scientists have dubbed the exoplanet, ...

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