A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Shapley determined that the Milky Way was 300,000 light years across ... "Hubble was so excited about this image that he wrote 'VAR!' on the black and white glass plate, because he had seen evidence ...

MILES O'BRIEN: Well, Geoff, if you could imagine a baby picture of our own galaxy, the Milky Way ... the light not unlike a magnifying glass in a way that allows the telescope to get a free ...

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the very first time, and it’s shedding new light on ...

After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision never before achieved. Surviving solar radiation and ...

Jamie Carter is an award-winning reporter who covers the night sky. Summer is the best time of year for seeing the Milky Way from the northern hemisphere—and parts of August are the very best.

Astronomers have spotted the shiniest known planet in the Milky Way, and it has metal clouds ... silicate – the stuff that makes up sand and glass — and metals like titanium, per ESA.

Well, Geoff, if you could imagine a baby picture of our own galaxy, the Milky Way, this is probably ... it focuses the light not unlike a magnifying glass in a way that allows the telescope ...

These glass plates recorded images of the night ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery ...