Tag

Extraterrestrial

All articles tagged with #extraterrestrial

science2 months ago

Interstellar Comet 3I/ATLAS Sparks Scientific and Cultural Interest

The International Asteroid Warning Network has launched a campaign to monitor the interstellar object 3I/ATLAS, which exhibits unusual qualities suggesting a possible technological origin, and plans to use Earth-based observations and potential spacecraft interception to study it further, with close approach expected in December 2025.

science-and-technology1 year ago

Alien Theories Resurface as Cosmic Radio Bursts Traced to Massive Galaxies

A mysterious radio signal, FRB 20190203, detected by a Russian telescope from a galaxy 2.3 billion light-years away, has reignited speculation about extraterrestrial life. This Fast Radio Burst (FRB) is notable for its intense energy and low detection frequency, and unlike many FRBs, it has not repeated, adding to its mystery. While theories suggest natural origins like magnetars, the possibility of it being a technosignature from an advanced civilization remains. Further research is needed to understand this enigmatic signal.

science-and-technology1 year ago

Spider Stellar Engine: Galactic Travel for Binary Stars

Clement Vidal's research explores the concept of a "spider stellar engine," where advanced civilizations could use binary star systems, specifically spider pulsars, as propulsion systems to migrate across galaxies. This involves using the pulsar's radiation to evaporate its companion star, generating thrust. Vidal suggests that these systems could emit technosignatures, offering potential evidence of extraterrestrial engineering. While speculative, the idea encourages further investigation into observable technosignatures from such systems.

science-and-technology1 year ago

Ex-NASA Historian: AI May Be Cosmic Traveler

Steven Dick, former NASA Chief Historian, suggests that much of the cosmos may already be influenced by post-biological intelligence, where advanced AI civilizations have replaced carbon-based life forms. He posits that the universe is likely at least partly post-biological due to the potential age of extraterrestrial civilizations. This perspective implies that the search for cosmic AI requires different strategies than those used for biological aliens. Despite the challenges in detecting such AI, Dick remains optimistic about the potential discovery of extraterrestrial life and its impact on our understanding of the universe.

science1 year ago

"From Extraterrestrial to Earthly: The Truth Behind the Mysterious Signal"

In 2014, a meteor falling from space off the coast of Papua New Guinea led Harvard astrophysicist Avi Loeb to propose that the remains might reflect an extraterrestrial technological origin. However, a recent study led by planetary seismologist Benjamin Fernando at Johns Hopkins University concluded that the seismic signals near the site were not evidence of extraterrestrial activity, but rather from an ordinary truck passing by, debunking the earlier speculation.

science-and-technology1 year ago

"Pentagon's Exhaustive Review: No Evidence of Alien Visits or Cover-Up"

A Pentagon report on U.S. government activities related to UFOs has found no evidence of alien visits or hidden spacecraft, concluding that sightings were often misidentifications of ordinary objects. The report addressed claims of recovered alien technology and secret programs, finding them to be inaccurate and based on misunderstandings and hearsay within the military and intelligence community. The investigation also debunked specific claims, such as alleged sightings of alien spacecraft and materials, and concluded that popular culture and misinformation have fueled beliefs in government cover-ups of extraterrestrial technology.

travel-and-tourism2 years ago

"Kentucky City Sends Extraterrestrial Welcome Message into Space"

The Lexington Convention and Visitors Bureau in Kentucky has used an infrared laser to beam a message into space inviting extraterrestrial travelers to visit the city, describing its lush green countryside, horse farms, and bourbon. The message was sent with FAA approval and includes a coded bitmap image, with the effort led by a Lexington native expert in computer engineering and astrobiology. It will take 40 years to reach its intended target and potentially another 40 to receive any response, but in the meantime, earthly travelers are encouraged to visit.