Tag Archives: planets

Mars, Aliens, and SETI 0 (0)

I’d love to be talking about unambiguously artificial signals picked up by the Allen Telescope Array, or reports of a ship from beyond the Solar System settling into orbit around our moon. But that hasn’t happened, and probably won’t. Not … Continue reading

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Tides and Our Moon’s Origin 0 (0)

Scientists have been wondering how our moon formed, and why its orbit isn’t over Earth’s equator. It looks like our moon formed after something about the size of Mars hit Earth, roughly 4,500,000,000 years back. But the giant-impact hypothesis didn’t … Continue reading

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KIC 8462852 and Strange Stars 0 (0)

KIC 8462852, Tabby’s Star, has been in the news recently. Scientists are pretty sure that something very large orbits the star, but haven’t worked out what it is. A few scientists, looking at the data, say that it’s probably a … Continue reading

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Europa, Mars, and Someday the Stars 0 (0)

Scientists think they’ve detected more plumes of water, shooting up from near Europa’s south pole. It’s early days, but we may have found a comparatively easy way to collect samples from the Jovian moon’s subsurface ocean. Stephen Hawking says humanity … Continue reading

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ESA’s Gaia, HD 164695, and SETI 0 (0)

Scientists working with ESA’s Gaia space observatory published the first part of a three-dimensional sky map this week. It’ll be the most comprehensive all-sky survey done so far. Not unexpectedly, this year’s ‘ET calling’ headlines gave way to something slightly … Continue reading

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