Searching for extraterrestrial life and supporting human life in space are traditionally regarded as separate challenges. However, there are significant benefits to an approach that treats them as different aspects […]
NYU
Posted inIntelligence & Language, Interstellar, SETI & Technosignatures, Societal Issues, Status Report
Interstellar Diplomacy
The Defense Department and NASA are investigating the possibility that aliens are currently surveilling Earth.
Posted inSETI & Technosignatures
Finding the ET Signal from the Cosmic Noise
This paper highlights a methodological approach designed to enhance the search for extraterrestrial intelligence (SETI) by hypothesizing that a transmission technosignature would likely have two features: 1) be wideband in […]
Posted inSETI & Technosignatures
A Beacon in the Galaxy: Updated Arecibo Message for Potential FAST and SETI Projects
An updated, binary-coded message has been developed for transmission to extraterrestrial intelligences in the Milky Way galaxy. The proposed message includes basic mathematical and physical concepts to establish a universal […]
Posted inAstrochemistry, Astronomy & Telescopes, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Interstellar, SETI & Technosignatures
On The Possibility Of An Artificial Origin For `Oumuamua
Science offers the privilege of following evidence, not prejudice. The first interstellar object discovered near Earth, Oumuamua, showed half a dozen anomalies relative to comets or asteroids in the Solar […]
Posted inSETI & Technosignatures
A Glint In The Eye: Photographic Plate Archive Searches For Alien Visitations
An advanced extraterrestrial civilisation that has discovered the Earth might have sent probes here. In this paper, we present a simple strategy to identify Non-Terrestrial artefacts (NTAs) in geosynchronous Earth […]
Posted inSETI & Technosignatures
The Search For Deliberate Interstellar SETI Signals May Be Futile
For more than 60 years, the predominant SETI search paradigm has entailed the observation of stars in an effort to detect alien electromagnetic signals that deliberately target Earth. However, this […]
Posted inSETI & Technosignatures
Limits of Detecting Extraterrestrial Civilizations
The search for extraterrestrial intelligence (SETI) is a scientific endeavor which struggles with unique issues — a strong indeterminacy in what data to look for and when to do so. […]
Posted inExoplanets, -moons, -comets
There's No Place Like Home (in Our Own Solar System): Searching for ET Near White Dwarfs
The preponderance of white dwarfs in the Milky Way were formed from the remnants of stars of the same or somewhat higher mass as the Sun, i.e., from G-stars. We […]
Posted inVenus
The Phosphene Controversy: Is it Phosphene? Is there life on Venus?
On 14th September 2020, the Royal Astronomical Society made an official statement coupled with a webminar on the discovery of phosphine on Venus. Single-line millimetre-waveband spectral detections of phosphine (with […]