Mira variable stars change in luminosity in a regular pattern. Scientists have used 40 Mira variable stars to anchor an ...

Scientists figured out that the universe is billions of years old — after years of reading ancient rocks and dying stars, and ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

They said it could open a new chapter in studies to reveal the nature of dark energy, the Hubble tension, and the history and fate of the universe’s expansion. This research was supported by the ...