Browsing Tag
extraterrestrial
9 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…
New Study Challenges Long-Held Beliefs About Stellar “Magnetic Braking”
At a Glance In a recent study published in The Astrophysical Journal Letters, scientists challenged the long-held belief…
UFOs: how astronomers are searching the sky for alien probes near Earth
Beatriz Villarroel, Stockholm University There has been increased interest in unidentified flying objects (UFOs) ever since the Pentagon’s…
SETI: how we’re searching for alien life at previously unexplored frequencies
Nasa Owen Johnson, Trinity College Dublin Is there life beyond Earth? The question has turned out to be…
We’re Looking For Life Out In Space. Where Should We Start?
In the search for extraterrestrial life, the discovery of the exoplanet K2-18b has sparked excitement. Although it is…
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…