Water was present just a couple hundred million years after the Big Bang, according to a new study, shaking up the timeline ...

For the first time, scientists have captured how complex molecules change shape when exposed to UV light—an ultra-fast ...

“Before the first stars exploded, there was no water in the Universe because there was no oxygen,” said Daniel Whalen, a ...

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

But solar power is just fusion power that’s happening far away. Slam hydrogen nuclei together into helium and a bit of the original mass is converted into energy. In the core of the ...

Fusion. The new-style “fusion” of hydrogen and the old-style “fission” of uranium have a family resemblance. Both depend on the odd and unexplained fact that atomic nuclei do not weigh as ...

At about this time, neutral atoms are formed as electrons link up with hydrogen and helium nuclei. The microwave background radiation hails from this moment, and thus gives us a direct picture of ...

Its two sources of fuel, hydrogen and lithium, are widely available in many parts ... energy is freed because the mass of the remaining nucleus is smaller than the mass of the reacting nuclei. The ...