Tag Archives: space exploration

TRAPPIST-1: Water? Life??

TRAPPIST-1’s planets may support life: or not. We don’t know. Not yet. We’re pretty sure that all seven are rocky worlds, like the Solar System’s inner planets. Three are in the star’s habitable zone. The inner two definitely do not … Continue reading

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Mars, Aliens, and SETI

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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Near-Earth Asteroids

Scientists spotted 2016 UR36 days before it passed by Earth. “Killer asteroids” headlines notwithstanding, we knew it would miss our planet by a comfortable margin. Sooner or later, though, something big will hit Earth: again. We still can’t prevent that, … Continue reading

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Europa, Mars, and Someday the Stars

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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