Life-friendly lake on mars

NASA scientists have discovered evidence that a large freshwater lake existed on Mars billion of years ago, further strengthening the case that Earth’s neighbor once harbored life.The lake was part of a network of waterways that could have lasted thousands or even millions of years—possibly long enough for simple organisms to take hold there.Those conclusions come from an analysis of […]

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Solar storm blasts Earth

The largest solar storm since 2005 swept across the planet this week, forcing airlines to reroute flights and disrupting communications from global positioning satellites. This spontaneous blast of solar radiation may have affected power grids and high-frequency radio communications in the northern latitudes, said the U.S. Space Weather Prediction Center. A number of airlines, which route some U.S.-Asia flights over […]

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Next Superpower Countries?

These nations have been dismissed as underdogs and weaklings. But like budding superheroes, they’ve been sitting on hidden talents. And now they’re about to fly. 1. FINLAND SUPERPOWER: INVINCIBLE TEACHERS If you’re a kid in Finland, you don’t start school until you’re 7 years old. There’s almost no homework until you’re a teenager. You don’t wear a uniform, you can […]

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How the moon was made

How the moon was made

People always wonder how the moon was made. The birth of the planets 4.5 billion years ago was extremely violent. They grew to full size by absorbing rival planet embryos in a series of titanic collisions—one of which probably gave Earth its moon (below). The moon’s large size, low density, and other features suggest that it emerged from an explosion […]

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