The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

Add Yahoo as a preferred source to see more of our stories on Google. A team of astronomers have put together the largest, most detailed map of the universe ever created – and you can explore it now.

The 1998 discovery that the universe is expanding at an accelerated rate raised new and profound questions about the nature and fate of the universe. Based on measurements of the speed of distant ...

Faint structures play a crucial role in cosmic development, and scientists are only just beginning to grasp their full extent and role in shaping the universe.

The birth, growth and future of our universe are eternally fascinating. In the last decades, telescopes have been able to observe the skies with unprecedented precision and sensitivity. Our research ...

The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster. Dark energy, ...

There’s more to the universe than meets the eye, he found. His studies led astronomy to the dark side, changing our view of what’s out there. By Dennis Overbye Jeremiah Ostriker, an astrophysicist who ...