Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

When discussing the scale of the universe, we’re immediately faced with an intriguing question: are we tiny beings, or is the ...

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

If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

In a groundbreaking studypublished in the Monthly Notices of the Royal Astronomical Society, astronomers have uncovered a puzzling cosmic observation that challenges our understanding of the ...

IT IS ONE of the biggest mysteries in cosmology—and getting bigger all the time. Ever since Edwin Hubble, an American astronomer, published observations of distant galaxies in 1929, scientists have ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark space mission 50 years ago.