Subscribe now
CE8NB6 Illustration showing galaxy giant whirlpool in space galaxy's effect on space image shows how gravity galaxy warps local

To create a wormhole that doesn't collapse, you need exotic matter

10 May 2023

Making a wormhole that a human could theoretically travel through would require an upside-down universe and negative energy
Quantum particles, quantum computer, galaxy-like ; Shutterstock ID 2194720327; purchase_order: -; job: -; client: -; other: -

How we could discover quantum gravity without rebuilding space-time

10 May 2023

In the search for a theory that unites general relativity and quantum physics, many have tried to rethink space-time. But what if space-time emerges naturally, like a hologram?

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop