New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Researchers have taken atomic diffraction to a new level, revealing surprising behaviors in high-energy helium and hydrogen ...

General Fusion says its new fusion reactor will produce more power than it consumes by 2027 — a breakthrough that could ...

Hydrogen nano-clusters at low temperatures ... to possess superfluid characteristics at low temperatures in 1936—helium atoms flowed through extremely narrow channels without friction or viscosity.

According to scientists from the University of Portsmouth, water first formed in the debris of supernova explosions 100 to ...

“Before the first stars exploded, there was no water in the Universe because there was no oxygen. Only very simple nuclei ...

The line became known as the main sequence. Competing groups of astronomers came up with different ways to categorize main ...

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map ...

More stars formed, turning nearly all the opaque, neutral hydrogen atoms into a transparent broth ... they were made almost entirely of hydrogen and helium, with trace amounts of lithium, because ...