Subatomic particles, gravity wells and the beginning of the universe – these are difficult and mysterious concepts that are ...

Now it seems that wormholes, those shortcut tunnels through time and space that Albert Einstein theorized and that science fiction depicts as portals between two distant galactic points, are at the ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

Cosmology is in crisis. The pillars of science’s most successful model of how the universe formed – and where it is heading – are starting to crack. One of those pillars is dark energy, a mysterious ...

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