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Ask Ethan: How Will Our Universe End?

Ask Ethan: How Will Our Universe End?

In the far future, the last star burns out, stellar corpses get violently ejected, and galaxies accelerate away. And then the fun begins.
Go to the profile of Ethan Siegel
Ethan Siegel
Despite Roasting Flares From Its Sun, Proxima b Might Still Have Life

Despite Roasting Flares From Its Sun, Proxima b Might Still Have Life

Just because humans wouldn’t do well over there doesn’t mean there aren’t incredible chances for life.
Go to the profile of Ethan Siegel
Ethan Siegel
How Come Cosmic Inflation Doesn’t Break The Speed Of Light?

How Come Cosmic Inflation Doesn’t Break The Speed Of Light?

If it can stretch the Universe from the size of a subatomic particle to billions of light years in a fraction of a second, why doesn’t…
Go to the profile of Ethan Siegel
Ethan Siegel
Five Years After The Higgs, What Else Has The LHC Found?

Five Years After The Higgs, What Else Has The LHC Found?

Sure, we found the Higgs Boson at the LHC earlier this decade. But what else has, and more importantly, hasn’t turned up?
Go to the profile of Ethan Siegel
Ethan Siegel
What Astronomers Wish Everyone Knew About Dark Matter And Dark Energy

What Astronomers Wish Everyone Knew About Dark Matter And Dark Energy

Among the general public, people compare it to the aether, phlogiston, or epicycles. Yet almost all astronomers are certain: dark matter…
Go to the profile of Ethan Siegel
Ethan Siegel
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