Astronomers discover an 850,000 light-year-long cosmic filament in the early universe, providing insights into large-scale structures from 11.7 billion years ago. This filament, spanning nearly nine ...

He concluded that the Milky Way was a disc approximately 20 kiloparsecs, or 65,200 light-years, in diameter (one kiloparsec = ...

Within the Milky Way itself there are hypervelocity stars ... It is 163,000 light-years from Earth and has a diameter of approximately 14,000 light-years. Astronomers believe that in the distant ...

Unlike the typical blue-and-green depiction of Earth, this photo shows the planet in a mossy green hue, framed by a thin ...

Scientists say they've uncovered the "largest known galactic structure," which spans a mind-boggling 1.4 billion light-years.

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...

The Milky Way is seen side on so we see across its diameter, while a thin strip of light marks the edge of Earth's atmosphere (suffice it to say, this wasn't captured on one of the best camera ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...

WASHINGTON, Feb 18 (Reuters) - NASA's James Webb Space Telescope is providing the best look yet at the chaotic events unfolding around the supermassive black hole at the center of our Milky Way ...

Japanese astronomers are among an international research team that successfully captured the first image of a black hole at the center of the Milky Way ... to the Earth’s diameter.

A century ago, Edwin Hubble revealed that the "spiral nebula" was not part of our Milky Way but located 2.5 million light-years away, about 25 times the Milky Way's diameter. Before this discovery ...