Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe ...

For more than two decades, astronomers have wrestled with one of the biggest mysteries in science: what is driving the ...

A new paper published in Physical Review D in September, by Frieman and Anowar Shajib, a NASA Hubble Fellowship Program Einstein Fellow in Astronomy and Astrophysics, combines current data from a ...

"There are more questions than answers at this point." Dark energy could have an accomplice that helps it slow the growth of large cosmic structures, such as vast superclusters made up of clusters of ...

What is dark matter, and can we detect it? This is what a recent study published in Physical Review D hopes to address as a team of international researchers investigated a new method for detecting ...

How did the first galaxies after the Big Bang form and evolve? Were they small and attributed to dark matter or were they large and some other force attributed to their growth? This is what a recent ...

You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space. At the very largest scales, galaxies are not scattered around randomly.

The search for alien life is largely centered on finding planets in the “Goldilocks Zone”—the distance from a star where a planet could have liquid water on its surface and enough light to sustain ...

Titan is freezing, toxic, and wrapped in a thick orange haze—but could it still host life? Let’s explore how Earth’s weirdest microbes might feel right at home Suspect sent text saying he would 'take ...