A century ago this month, a brash astronomer leaked a discovery that opened our view to the cosmic distance scale and the ...

Scientists are relieved by the observatory’s stay of execution, but concerned that some budget cuts have gutted future ...

Mars’ features are starting to become visible, Mercury appears in the evening sky, and the Trifid Nebula glows in the sky ...

In 1995, a parallel race was on in astronomy — one to find the first planet beyond our own solar system, and the other to find the first brown dwarf, a class of object too heavy to be a planet ...

When the historic observatory was shuttered by the University of Chicago, a community organization helped to revitalize it.

Astronauts have voted from the space station since 1997 and have cast ballots in nearly every U.S. presidential election ...

Neither candidate has talked much about space policy on the campaign trail, but both have records to consider.

A waning Moon brings out deep-sky objects, Comet Tsuchinshan-ATLAS still stuns, and moons of Saturn and Jupiter stand out in ...

The closest star to Earth is also the best studied, but only recently have we truly begun to uncover its secrets.

The company is reportedly looking for buyers for its space program, which includes the Starliner vehicle and operating parts ...

Hurricane Maria triggered a sequence of events that led to the downfall of the storied radio observatory — but inspectors missed clear signals that the structure was in distress.