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Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

The 245th Meeting of the American Astronomical Society is being held Jan. 12 to Jan. 16 and will feature remarkable findings ...

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ...

This signal, known as the 21 cm line, has been detected since the 1950s and is used widely in astronomy, but it hasn’t been definitively spotted from the early universe. The radio signal arises ...

Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench ...

Astronomers have struggled with finding ultra-faint dwarf galaxies far enough from the Milky Way's influence, making these ...

A Yale-led team of astronomers has detected an intensely brightening and dimming quasar that may help explain how some ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4 percent agreement, and 58.2 ...

Over 40 stars in a galaxy billions of light-years away were photographed, offering a glimpse into an era when the universe ...

At Argonne National Laboratory, scientists have leveraged the Frontier supercomputer to create an unprecedented simulation of ...