Are Light Pulses from the Nearest Habitable Exoplanet, Proxima b, Natural or Artificial in Origin?This morning, I received an email from Mia Holland, an editor of a German public broadcast outlet, which checks TikTok videos for their…2h ago2h ago
Sandcastles in the CosmosEverything we do here on Earth will be deleted from the cosmic record in a billion years, when the Sun will brighten and boil off all…2d ago142d ago14
Expanding Our Limited Training Data SetThe quality of neural networks depends on their training data set. This applies to both natural and artificial networks. Today’s young…3d ago73d ago7
Blowing Up Voids with Dark EnergyWhen we look at the dark sky on a night without clouds and far from city lights, we see plenty of stars like the Sun. Knowing that a…6d ago36d ago3
A Vision for a UAP-Manhattan ProjectMost of our adult life, we invent stories or believe in stories told by others, rather than seek supporting evidence for these stories. The…May 412May 412
The Afterglow of a UAP Congressional BriefingMy 20-minute presentation at the UAP congressional briefing on May 1, 2025 (accessible here) started with the following statements.May 214May 214
Congressional Briefing on UAP ScienceOn Thursday, May 1 at 11:30AM ET, I am scheduled to give a public presentation at a bipartisan U.S. congressional briefing on…Apr 2810Apr 2810
The Music of AstrobiologyDavid Ibbett is a brilliant musical composer and the Artist in Residence at the Harvard-Smithsonian Center for Astrophysics. On April 24…Apr 263Apr 263
Dark Matter Does Not Exhibit a Large Negative PressureSeventy percent of the cosmic energy budget is currently in the form of dark energy. The repulsive gravity induced by dark energy drives…Apr 253Apr 253
Are We at the Logarithmic Midpoint of Extraterrestrial Technological Civilizations?In 1950 Enrico Fermi asked: “Where is everybody?” His sense of cosmic loneliness is not necessarily a testimony to the small number of…Apr 2310Apr 2310