Has Earth received any radio signals from aliens?
Scientists affiliated with the SETI@home project analyzed 14 years of radio wave data collected by the Arecibo Telescope and identified 92…
The Encyclopedia of Science's Frontier
Scientists affiliated with the SETI@home project analyzed 14 years of radio wave data collected by the Arecibo Telescope and identified 92…
In response to the question, “Where are all the aliens?”, one astronomer argued that, if they are similar to humans, they may have faced…
Astronomers proposed that the industrial gases nitrogen trifluoride and sulfur hexafluoride could provide measurable signs of advanced…
NASA researchers found that the shape of rocks near hot springs influences the preservation of chemical fossils that could be detectable on…
In recent decades, astronomers have discovered more than 5000 planets orbiting stars beyond our solar system, with nearly 9000 more…
Scientists used computer models to determine how likely a planet is to be habitable by its age, size, and distance from its sun.
Geologists discovered microbes trapped in 830-million-year-old salt minerals similar to those found on Mars.
It's hard to look for signs of life beyond Earth. It's a little easier if we assume that life out there is like Earth life. But what if it…
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…
Were metabolic pathways established before life emerged? New experiments observe life-like patterns self-propagating on #mineral surfaces.…