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PBS Space Time
Could the Universe End by Tearing Apart Every Atom?
Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.

PBS Space Time
Is Dark Energy Getting Stronger?
The power of Dark Energy may be increasing as the universe ages.


PBS Space Time
Why String Theory is Right
Some see string theory as the one great hope for a theory of everything.


PBS Space Time
What Survives Inside A Black Hole?
Nothing can escape from below the event horizon- not matter, light, or even information.

PBS Space Time
How Gaia Changed Astronomy Forever
New Gaia mission data has dramatically changed how we understand our own galaxy.


PBS Space Time
Using Stars to See Gravitational Waves
We’re going to need a gravitational wave observatory - in fact, we've already built one.

PBS Space Time
The Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
How did our chaotic universe generate the extreme complexity we see in life?

PBS Space Time
The Andromeda-Milky Way Collision
The Andromeda galaxy will inevitably collide with our own Milky Way. Will that be the end?


PBS Space Time
What Do Stars Sound Like?
We can now map the interiors of stars by “listening” to their seismic wave harmonies.


PBS Space Time
The Vacuum Catastrophe
If quantum field theory is right about vacuum energy, our universe shouldn't exist.