A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Pop culture is saturated with franchises, and Swift is the master of creating them. But her marketing is beginning to ...

Pulsars could be helping scientists distinguish between gravitational waves caused by supermassive black hole collisions and ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Stevenson 218 is the largest known star in the universe, located about 18,900 light-years away in the constellation of Scutum and far surpassing even the sun in size and brightness. So immense that it ...

Now, astronomers have found a star that may be as close as we’ve ever come to witnessing one of the primordial stars. Known ...

Joseph Silk, a professor of physics and astronomy at Johns Hopkins, believes the elusive glow could be proof of dark matter ...