"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

There are already tens of thousands of pieces of large debris in orbit, some of which pose a threat to functional satellites.

A startup established three years ago to churn out a new class of high-power satellites has raised $250 million to ramp up ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Located 446 light-years from Earth, this planet, dubbed 'HD 143811 b', orbits a 'binary system' where two stars swirl around ...

Sky This Week is brought to you in part by Celestron. Friday, December 12Ganymede reappears from occultation behind Jupiter overnight tonight, late on the 12th in the western U.S. and early on the ...

For the 300th time this year, a rocket has lifted off for low Earth orbit. SpaceX on Thursday (Dec. 11), launched its Falcon ...