Charting the night sky with exascale computers

Creating multiple universes to see how they run might be tempting to scientists, but it's obviously not possible. That is, as long as you need physical universes. If you can make do with virtual ones, there are far more options.

Ice and fire: Antarctic volcano may hold clues to life on Mars

On Deception Island in Antarctica, steam rises from the beaches, and glaciers dot the black slopes of what is actually an active volcano—a rare clash of ice and fire that provides clues to scientists about what life could ...

What would it take to see exoplanet volcanoes?

Even with the clearest image from the best telescope in the world, astronomers still won't know what they're looking at. It takes a fundamental understanding of physics, particularly how light works, to glean scientific data ...

Understanding the role of the sun in climate change

Although the sun provides nearly all the energy needed to warm the planet, its contribution to climate change remains widely questioned. Many empirically based studies claim that it has a significant effect on climate, while ...

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