Terraforming Mars: Could Humans Ever Walk Outside Without a Spacesuit?
Imagine opening an airlock on Mars, stepping onto the red ground, and leaving the helmet behind. …
Why Is the Night Sky Dark If the Universe Is Filled With Stars?
Look up on a clear night and you see stars scattered across an almost black sky. But if the univer…
Interstellar Science: Could Higher Dimensions Like the Tesseract Really Exist?
Near the end of Interstellar , Cooper floats through a strange place filled with endless versions …
Terraforming Mars: Where Would We Get Enough Water to Build Oceans and Rivers?
Mars looks dry enough to make the idea of Martian oceans sound almost absurd. Yet the planet is n…
Terraforming Mars: How Could We Protect Humans From Deadly Space Radiation?
Mars looks calm from a distance, but its surface is constantly exposed to energetic particles fro…
Interstellar Science: Why Was Cooper Not Torn Apart When He Fell Into Gargantua?
In Interstellar , Cooper makes a terrifying choice: he falls toward Gargantua, a black hole so pow…
Interstellar Science: Could Gargantua Really Create the Giant Waves on Miller’s Planet?
Imagine stepping out of a spacecraft into ankle-deep water. The horizon looks flat. Then the horiz…
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