Could a Planet Orbit Two Suns and Still Have Stable Seasons?
Imagine planting a garden beneath two suns. Would spring return on schedule, or would the changing…
Terraforming Mars: Could Plants One Day Make Enough Oxygen for Humans to Breathe?
Mars already has the raw ingredients for photosynthesis: sunlight, carbon dioxide, water ice, and…
NASA Left Mirrors on the Moon — What Are They Still Doing There?
Imagine leaving a piece of scientific equipment on the Moon in 1969 and discovering that researche…
Why Does Uranus Rotate Sideways Compared With Every Other Planet?
Picture the planets as spinning tops circling the Sun. Most turn with their poles pointing roughl…
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 …
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