Our journey to comprehend the Universe’s edge begins with the concept of the observable Universe. This term refers to the portion of the cosmos that we can theoretically detect from Earth.

There may be 2 trillion galaxies in the observable universe, although that number has recently been estimated at only several hundred billion based on new data from New Horizons. Assuming the universe ...

The true nature of dark matter is still one of the greatest mysteries in contemporary physics, even though scientists have ...

You may be thinking about the "edge" of the universe as a point at which you could turn around and see a zoomed-out view of everything — every galaxy, every planet, every star, and so forth ...

The observable universe is about 93 billion light-years in diameter.” This can be explained as the distance from the Earth to ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Astronomers with John Hopkins University have created an interactive map of the ...

This is just a small part of the universe—less than 1% of the entire observable universe—but it is our galactic neighborhood. And it is good to know the geography of your neighborhood.

teetering on the black hole’s edge without falling in. To cause the fluctuations that astronomers observed, the orbiting mass would be expected to generate ripples in space-time, called ...