universe

The theorists predict that the beginning of the end will be in about 10 billion years — less than the present age of the universe.

With the universe constantly expanding, scientists have a hard time finding where its center is.

The discovery could explain why younger stars seem to have more lithium than the Big Bang theory says they should have.

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead formed inside a colossal black hole.

The vast, seemingly empty spaces between galaxies are not entirely empty. So what's in these cosmic voids?

The physical constants of the universe appear to favor the existence of life. So why are we here?

New calculations suggest that the universe's most enduring celestial objects, such as white dwarf stars, are decaying faster than previously thought.

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

A century ago, humans didn't know other galaxies existed. Here's how Edwin Hubble changed that view.