Could we find DNA on Mars?
Scientists used a highly sensitive DNA sequencing method to identify microbes from rock samples exposed to radiation levels equivalent to…
Category: What is out in space?
What is matter and dark matter? What kinds of things happen in space? What do we know about the physics in space?
What lies between the stars?
Astronomers simulated the clouds of material between stars. They found that regions of space with more heavy elements tend to be cooler and…
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…
“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…
JWST reveals properties of dusty star-forming galaxies
Astronomers used new JWST data to unravel the structures of 22 dusty star-forming galaxies that previous telescopes couldn’t see.
Spacecraft microbes “sleep” to survive sterilization
Researchers discovered a bacterium in NASA’s spacecraft assembly facilities that can enter a hibernation state to survive planetary…
Astronomers classify near-Earth asteroids
Researchers determined the sizes, rotational speeds, and chemical compositions of 39 asteroids orbiting the Sun near Earth. Many were…
The fate of massive rotating stars
Researchers showed that massive stars at the end of their lives are more likely to collapse into black holes than to explode into…