megastructure

8.15.18

We May Have Identified What Lies at the Outermost Edge of Our Solar System

New Horizons is the first spacecraft in nearly three decades to observe what appears to be evidence of a hydrogen wall at the edge of the heliosphere.

12.9.15

Sorry, We Probably Haven't Found Megastructures Made By Aliens

Scientists thought a "swarm of megastructures" in the cosmos may have been created by aliens, but a new paper debunks that theory.