What If on MSN
How long would humans survive if the sun exploded?
The Sun is the engine of life on Earth. It provides heat, light, and the energy that drives every ecosystem on the planet.
Smithsonian Magazine on MSN
See a diamond planet, an exploding star and a black hole up close in a new immersive virtual reality experience
On the exoplanet Janssen, heat from its host star and immense pressure have made the world something of a hellscape, with the ...
Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...
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