Radical theory says our universe sits on an inflating bubble in an extra dimension

Cosmologists propose a groundbreaking model of the universe using string theory.

Getty Images/Suvendu Giri
  • A new paper uses string theory to propose a new model of the universe.
  • The researchers think our universe may be riding a bubble expanded by dark energy.
  • All matter in the universe may exist in strings that reach into another dimension.
Keep reading Show less
dark matter dark energy cosmos cosmology physics astronomy space string theory universe

How the Big Rip could end the world

A theory from cosmology claims the Universe could rip apart to shreds.

Pixabay
  • A cosmological model predicts that the expanding Universe could rip itself apart.
  • Too much dark energy could overwhelm the forces holding matter together.
  • The disaster could happen in about 22 billion years.
Keep reading Show less
cosmos astronomy physics math dark energy planets space universe cosmology

3 stunning ways Earth and spacetime could be destroyed

A well-known cosmologist comes out with very stark warnings about particle accelerators.

Getty Images
  • Respected astrophysicist Martin Reese has serious misgivings about the safety of the Large Hadron Collider.
  • The collider could destroy us in 3 different ways, warns Reese.
  • Despite the dangers, innovation should continue but with caution.
Keep reading Show less
supercollider martin rees black hole catastrophy apocalypse nuclear research warning cosmology astrophysics cern large hadron collider

New controversial theory: Past, present, future exist simultaneously

Our experience of time may be blinding us to its true nature, say scientists.

Back to the Future.
  • Time may not be passing at all, says the Block Universe Theory.
  • Time travel may be possible.
  • Your perception of time is likely relative to you and limited.
Keep reading Show less
time travel cosmology physics grandfather paradox block universe theory future time spacetime einstein weird science

Lawrence Krauss on "Seeing" the Early Universe

Theoretical physicist and cosmologist Lawrence M. Krauss spoke at CSICon 2016 about scientists' attempt to look back in time to the beginning of our universe.

Keep reading Show less
nasa space gravity inflation science physics cosmology multiverse universe lawrence krauss big bang