What if outer space isn’t empty, but behaves like a thick, slow-moving fluid? Anew study suggests just that, and it could help solve a puzzling mismatch between current models of the universe and ...

The curious minds at What If investigate encountering the rarest objects in space, revealing cosmic anomalies, extreme ...

What actually happens to a spacecraft during its fiery last moments? That's the key question for the European Space Agency's Draco mission, planned for 2027.