Could aliens ever visit Earth? An aerospace scientist unpacks the challenges of interstellar spaceflight.

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

Titan Moon

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Morning Overview on MSN

A new plasma simulation just cracked how the universe builds its vast magnetic fields out of pure turbulence — knitting tangled magnetic threads across the cosmos

The magnetic fields lacing through galaxy clusters and cosmic filaments have no business being there. The early universe was a hot, smooth soup of particles with no mechanism to spin up the enormous ...
Rock Paper Shotgun

There are a million ways to deliver ore in Starminer, a real-time space strategy sim with zero-G physics - just beware your greed doesn't attract the aliens

Attention unidentified spacecraft, this is the USS Asteroid Paper Railgun. Please maintain your current heading and velocity. I am about to rotate 34 degrees and jettison a new early access space ...