Is Earth’s water why intelligent life evolved here?
A Columbia University scientist argued that the existence of humans provides strong evidence that intelligent life is more likely to evolve…
Tag: aliens
“Radical mundanity” could explain why we haven’t met aliens
In response to the question, “Where are all the aliens?”, one astronomer argued that, if they are similar to humans, they may have faced…
Are aliens receiving radio signals from Earth?
Scientists calculated the maximum distance at which extraterrestrials with modern human-level technology could detect radio signals from…
These gases could signify intelligent life beyond Earth
Astronomers proposed that the industrial gases nitrogen trifluoride and sulfur hexafluoride could provide measurable signs of advanced…
Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
A stinky noxious gas could point us toward alien life
Hold your noses! ET life might produce noxious gases in the form of #phosphine. Here’s why phosphine is an important marker in the search…
A crater on Mars may be a future landing site
Here on Earth, scientists study layers of sediment like dirt and sand to better understand how rocks form. The same contextual clues…
What happens if we send signals into space?
For over a hundred years, humans on Earth have been using radio transmissions to communicate with each other. This ability to communicate…