Browsing Tag
alien
8 posts
Can We Predict How Many Aliens Are Out There?
Introduced in 1961 by Frank Drake, the Drake equation estimates the number of advanced alien civilizations in our…
Maybe We Shouldn’t Be Calling Out to Aliens After All
The Dark Forest Hypothesis is presented as a solution to the Fermi Paradox, which refers to the apparent…
Carl Sagan detected life on Earth 30 years ago – here’s how his experiment is helping us search for alien species today
Earth and Moon as seen by the Galileo spacecraft from a distance of 6 million km away. NASA…
First contact with aliens could end in colonization and genocide if we don’t learn from history
SETI has been listening for markers that may indicate alien life – but is doing so ethical? Donald…
Scientists Expand Search for Alien Life with New Signal Detection Approach
Scientists have expanded their search for technologically advanced extraterrestrial civilizations by focusing on a new type of signal…
Earth’s oxygen has varied dramatically over time – here’s how our data could help us spot alien life
NASA Alex Krause, UCL and Benjamin J. W. Mills, University of Leeds Are we alone in the universe?…
Signatures of alien technology could be how humanity first finds extraterrestrial life
Astronomers have been looking for radio waves sent by a distant civilization for more than 60 years. Rytis…
Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams of scientists are doing it anyway
Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to…