Self-replicating alien probes could already be here
Mathematicians in Scotland calculate that "self-replicating" alien probes could already have explored our solar system and may still be here but undetectable to our current technologies.
News tagged with signs of life
Beachcombing for early humans in Africa
(Phys.org) —From the earliest modern humans to the present day, our species has evolved dramatically in both biological and behavioural terms. What forces prompted these momentous changes?
Archaeology
Jun 3, 2013
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Proba-V opens its eyes
(Phys.org) —Earth watcher Proba-V is in good health following its launch last week. The Vegetation imager has been switched on and the first image has been captured over western France.
Space Exploration
May 20, 2013
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Mars Icebreaker Life mission
Missions to Mars have only scratched its surface. To go deeper, scientists are proposing a spacecraft that can drill into the Red Planet to potentially find signs of life.
Space Exploration
May 16, 2013
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Study finds white dwarf stars may hold the key to detecting life on other planets
(Phys.org) —Because it has no source of energy, a dead star—known as a white dwarf—will eventually cool down and fade away. But circumstantial evidence suggests that white dwarfs can still support habitable planets, ...
Astronomy
Apr 24, 2013
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Is there really any life 'out there'?
Mankind should not assume that it will definitely find life on alien planets according to a hypothesis being presented at the Royal Society, the UK's national academy of science, this week. Professor Charles Cockell, Director ...
Astronomy
Mar 12, 2013
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First 'directed' SETI search comes up empty
(Phys.org)—Researchers working on the Search for Extraterrestrial Intelligence (SETI) project have completed their first "directed" search of a part of space and report in a paper they've uploaded to the preprint server ...
Captain's log: real space chat for Star Trek crew
Fact and fiction blurred this week when a real-life astronaut boldly went where no man has gone before and conversed from orbit via Twitter with the crew of television's "Star Trek: Enterprise."
Space Exploration
Jan 7, 2013
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Capt Kirk, Canadian astronaut swap tweets... and prosper
"Star Trek" fans rejoiced Friday after Captain James Kirk of the starship Enterprise, or rather the actor who played him on the iconic sci-fi series, swapped tweets with a Canadian astronaut.
Internet
Jan 4, 2013
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British team looks for life in Antarctica
Today, a British team of scientists and engineers will realise a 16 year ambition to drill down through over three kilometres of Antarctic ice into an ancient buried lake.
Earth Sciences
Dec 12, 2012
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