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…
Category: Space
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…
How did Mars get its moons?
Astronomers calculated possible trajectories for small objects approaching Mars. They found that as many as 1 in 50 get captured in orbit,…
Lava tubes contain unknown “microbial dark matter”
Researchers discovered lava tubes on Mauna Loa containing previously unknown microorganisms with metabolisms and communities that could…
Astronomers model early star clusters
Scientists used computer simulations to determine how ancient star clusters formed. Their results were similar to real clusters found with…
Scientists observe a changing exoplanet orbit
Astronomers conducted a multifaceted study of the exoplanet TrES-1 b and found that its orbit is shifting, possibly due to an unseen…