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 ...
Live Science

Largest crowd-sourced hunt for alien intelligence reveals 12 billion 'signals of interest' in collapsed Arecibo Observatory data

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

3I/ATLAS comet is definitely not an alien spaceship, scientists confirm

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

3I/ATLAS comet is not an alien spaceship, scientists confirm

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

What is going on with 3I/ATLAS? Evidence undermines alien spaceship theory

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

How astronomers plan to detect the signatures of alien life in the atmospheres of distant planets

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...