The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

The discovery that inert helium can form bonds with iron may reshape our understanding of Earth’s history. Researchers from ...

What's the deadliest part of a supernova explosion? To estimate this we have to look at what the actual destructive ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. Primordial helium from the ...

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

That is, helium which differs from normal helium, or 4 He, so called because it contains two protons and two neutrons and is continuously produced by radioactive decay. Primordial helium ...

Researchers from Japan and Taiwan reveal for the first time that helium, usually considered chemically inert, can bond with iron under high pressures ...

To go further: What is helium-3? Helium-3 is a rare isotope of helium, composed of two protons and a single neutron. Unlike helium-4, produced by radioactive decay, helium-3 is primordial, meaning it ...

Dark matter could be an entire dark sector of the universe, with its own particles and forces H ave you ever stood by the sea ...

On Earth, helium comes in two stable isotopes. By far the most common is helium-4, with a nucleus containing two protons and two neutrons. Helium-4 accounts for around 99.99986 percent of all the ...

“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 ...