Tag Archives: Astrobiology

NASA turns to the search for technosignatures

It’s been a quarter-century since Congress cut off NASA funding for the search for extraterrestrial intelligence, or SETI, but now the space agency is revisiting the topic under another name: technosignatures. “I’m excited to announce that NASA is taking the … Continue reading

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Imagine intelligent aliens on water worlds

Instead of cave dwellers gathered around a campfire, roasting mastodon meat, imagine an octopus tribe floating around a hydrothermal vent at the seafloor, boiling lobsters. That’s the scenario sketched out by Dirk Schulze-Makuch, an astrobiologist at Germany’s Technical Institute Berlin … Continue reading

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Orbiter detects signs of hidden lake on Mars

Radar readings from the European Space Agency’s Mars Express orbiter point to the location of what appears to be a 12-mile-wide lake of liquid water, buried under about a mile of ice and dust in the Red Planet’s south polar … Continue reading

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Scientists revise scale for weighing E.T. contact

For almost 60 years, efforts to pick up signs of extraterrestrial civilizations have yielded a big fat zero, but there have been plenty of false alarms to contend with. To provide a reality check, the International Academy of Astronautics adopted … Continue reading

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Life on the moon? It could have happened

The moon is one of the last places in the solar system you’d expect to find life today, but astrobiologists say life could have found a foothold there billions of years ago. The life-on-the-moon question could provide a focus for … Continue reading

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Mars rover makes ‘breakthroughs in astrobiology’

The latest evidence for methane and other organic chemicals on Mars isn’t the smoking gun for life on Mars that some folks may have been hoping for, but it gives astrobiologists much more to go on. Readings gathered by NASA’s … Continue reading

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New hints of water on Europa are found in old data

A closer look at magnetic and plasma wave readings from NASA’s now-defunct Galileo spacecraft firms up the evidence for claims that plumes of water periodically spray out from the surface of Europa, an ice-covered moon of Jupiter. Such claims have sparked … Continue reading

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