In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope ...

This light can be thought of as the cosmic microwave background.” Recently, Wilson and Loeb have been working together on efforts to map the black hole at the center of the Milky Way.

Artist's impression of the Gaia telescope mapping stars of the Milky Way galaxy. | Credit: ESA/ATG medialab; background: ESO/S. Brunier On March 27, scientists bid farewell to the Gaia telescope, ...

An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably ...

Such hydrogen atoms may eventually transform into molecular gas, the basic fuel for star formation. Therefore, these cold gas structures are key to the conditions that enable star formation and are of ...

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us ...

One approach looks far back in time, using the cosmic microwave background—the faint light ... The Local Group, which includes the Milky Way, has a peculiar velocity of about 627 kilometers ...