How do atoms form? A physicist explains where the atoms that make up everything around come from

Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
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Despite atoms being mostly empty space, why can't we walk through walls?

You've probably seen videos showing characters walking through walls like ghosts. Upon closer inspection, atoms consist of a vast majority of empty space. So why is physical reality so different?
The Conversation

Astronomers have glimpsed the core of a dying star – confirming theories of how atoms are made

Orsola De Marco received funding from the Australian Research Council. She is affiliated (non-executive director of the Board) with Astronomy Australia Ltd. a not-for-profit company serving Australian ...

The key to why the universe exists may lie in an 1800s knot idea science once dismissed

In 1867, Lord Kelvin imagined atoms as knots in the aether. The idea was soon disproven. Atoms turned out to be something ...

A 'seating chart' for atoms helps locate their positions in materials

If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than ...