But the Big Bang theory predicts that about 5% of the universe’s contents should be atoms made of protons, neutrons and electrons. Most of those atoms cannot be found in stars and galaxies – a ...

After its “birth” in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than ...

Whether the universe will “end” at all is not certain, but all evidence suggests it will continue being humanity’s cosmic home for a very, very long time.

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Robert Brose does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Dark energy is a dynamic entity, rather than a matter-of-fact constant in the universe’s rapid unfurling, a team of scientists announced this week. The Dark Energy Spectroscopic Instrument, or DESI, ...

An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

A recent study suggests that scientists may have pinpointed the origin of gold in the early universe. The research indicates that intense flares from "magnetars" - neutron stars with potent magnetic ...

The article chronicles the evolution of astronomy from astrology and alchemy to modern astrophysics, highlighting significant advancements like the development of spectroscopy and Einstein's theory of ...

Over billions of years, the universe's stars and galaxies shined their light into space, leaving behind an imperceptibly faint night light known as the cosmic optical background. NASA's New Horizons ...