What If on MSN

What if we could build a Matrioshka brain?

Do you ever question the nature of your reality? Are you real? Or are you a product of some complex computer simulation? What ...
Morning Overview on MSN

New 3I/ATLAS images leave astronomers baffled

Interstellar comet 3I/ATLAS has gone from obscure visitor to front‑page mystery, as a cascade of new images reveals behavior ...