Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

The company's 693-square-foot BlueBird satellites can appear as bright stars in the night sky, according to astronomers, and the company has plans for even bigger ones.

"I felt very excited," study lead-author Terry Phan, an astronomy doctoral student at the National ... the data archives of ...

As detailed in a paper to be published in the journal Nature Astronomy, the international team of researchers spotted the ...

AST SpaceMobile and US National Science Foundation establish coordination agreement to mitigate potential impact on ...

AST SpaceMobile, Inc. ("AST SpaceMobile") (NASDAQ: ASTS), the company building the first and only space-based cellular broadband network accessible directly by everyday smartphones, designed for both ...

AST SpaceMobile today announced it has signed a Coordination Agreement with the U.S. National Science Foundation (NSF) to ...

The Infrared Astronomy Satellite, IRAS, launched in 1983 and surveyed the universe for almost a year before being decommissioned. Then, in 2006, the Japanese Aerospace Exploration Agency (JAXA ...