Stephen Hawking's Universe
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Master of the Universe: Stephen Hawking on Atoms
On The Science Channel's "Master of the Universe," Stephen Hawking and colleagues describe what atoms are and suggest they are more like force fields and waves, rather than mass.
Stephen Hawking's Universe: Black Hole Time
The immense gravity of black holes makes them natural time machines. Someday spacecraft may be able use them to journey into the future.
Stephen Hawking's Universe: Fear the Aliens
If advanced spacefaring aliens exploit resources like humans do, we'd better hope they don't find us anytime soon.
Stephen Hawking's Universe: Planets
A powerful telescope searches for undiscovered planets, but not in the way you might expect.
Stephen Hawking's Universe: Primordial Soup
Could life on other planets develop from a primordial soup?
Stephen Hawking's Universe: Survival
Alien life forms would need to adapt and evolve to survive, just like organisms on Earth.
Stephen Hawking's Universe: The WOW Signal
On August 16, 1977, a radio telescope in Ohio picked up the only signal that could have an alien source.
Stephen Hawking's Universe: Water
All life forms need water, and that's true on Earth as well as other planets.
Stephen Hawking's Universe: Wormhole Voyages
If we could ever open a massive wormhole, could it be used as a portal for journeys to distant planets or the deep past?