The Oldest Relics Must be Younger than the UniverseThe lowest mass stars have 8% of the mass of the Sun and can live for up to 12 trillion years. This lifespan is 870 times longer than the…2d ago32d ago3
The Existential Risk from Polyamory of Artificial General IntelligenceNot all intelligences are created equal. Human intelligence is fundamentally different from artificial intelligence (AI). The former relies…4d ago54d ago5
Cosmic Birth of Supermassive TwinsTwin stars are often born in the delivery room of giant molecular clouds. A common mechanism to create a pair of stars involves the…4d ago24d ago2
Physics is Our Scholar’s LionFollowing a lecture on the search for extraterrestrial life, hosted by Sir Richard Branson at Necker Island, I was asked by many attendees…Feb 22Feb 22
A New Message from the Asteroid BennuJust as with Large Language Models, the quality of our thoughts is dictated by our training dataset. Babies receive most of their training…Jan 3110Jan 3110
Interstellar Empty-Trash-Bag ObjectsEmpty Trash Bag Objects (ETBOs) are fragments of space debris in near-Earth orbits that are pushed around by solar radiation pressure…Jan 295Jan 295
Fast Radio Bursts as a Technological SignatureA new paper reported the discovery of the repeating source of fast radio bursts, labeled FRB 20240209A. The FRB was discovered by the…Jan 278Jan 278
It’s an Asteroid … It’s a Comet … No — It’s a Car!On January 2, 2025, the Minor Planet Center at the Harvard-Smithsonian Center for Astrophysics, not far from my Harvard office, announced…Jan 263Jan 263
Schumer’s UAP Disclosure Request to TrumpSenate Democratic Leader Chuck Schumer (N.Y.) tweeted President Trump and encouraged him to declassify secret government archives about…Jan 2412Jan 2412