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 ...

The mysteries of a strange era in the universe's history may have been uncovered by scientists. This "epoch of reionization" was a period in the early universe's history when the first stars and ...

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 ...

Scientists from Queen’s University Belfast are part of an international collaboration that has been recognised with an Into ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

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.

In the vast expanse of space, where stars are born and planets take shape, one molecule plays a crucial role in interstellar chemistry. The trihydrogen cation, H₃⁺, is considered a key player in the ...

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, ...

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 ...

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 ...

From helping catalyze interstellar reactions and fueling the birth of stars to its presence in neighborhood gas giants like Saturn and Jupiter, trihydrogen, or H 3 +, is best known as the "the ...