You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have ...

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

If the observable Universe is finite, even all the stars, galaxies, particles and energy will never be enough to answer all of our questions.

Some of the earliest galaxies found with JWST are also the brightest. That's a problem for our ideas about the universe.

A team of astronomers says it has identified the most distant black hole ever confirmed — a cosmic heavyweight that formed ...

The distribution of dark matter throughout the Universe as suggested by a numerical simulation. A new study suggest that the effects of dark matter could actually be the result of an discovered ...

Or, what if, by looking at one galaxy among the hundred billion or so in the observable universe, one could say something substantial about the universe as a whole?

Despite the countless hours that astronomers spend at the blackboard, a handful of cosmic questions continue to keep scientists up at night (for those who aren’t up at night already, peering ...

The Universe would have been filled with high-energy relics that had never been detected, a consequence of extrapolating back arbitrarily in the past.