Leo Gallagher is a science correspondent for Archeonis, specializing in space exploration, planetary science, and heliophysics. He reports on interplanetary missions, satellite technology, and discoveries that shape our understanding of the solar system.
20 published articles
Former NASA astronaut Mike Massimino discusses the growing danger of orbital debris, a cloud of millions of man-made objects threatening astronauts and satellites.
A UK-based company, Blue Skies Space, has successfully launched the world's first commercial satellite dedicated to space science to study stellar flares.
NASA has confirmed the interstellar object 3I/ATLAS is a natural comet, not alien technology, based on data from over 20 missions observing the visitor.
A new generation of stratospheric aircraft from companies like Sceye and World Mobile aims to deliver internet up to 200 Mbps directly to smartphones, challenging satellite services like Starlink.
Scientists are targeting the nearby Eta Cassiopeiae binary star system in the search for life, precisely because it lacks disruptive giant planets.
Marking 25 years of continuous human presence, the International Space Station has hosted over 4,000 experiments, driving major breakthroughs in medicine and deep space technology.
Astronomers using the James Webb Space Telescope have found a supermassive black hole in the early universe that is growing far faster than its host galaxy.
Using a natural cosmic magnifying glass, the James Webb Space Telescope may have detected the universe's first generation of stars from 13 billion years ago.
Three Chinese astronauts aboard the Tiangong space station are waiting for a replacement spacecraft after their original capsule was damaged by space debris.
A new era of Mars exploration is underway with Blue Origin's probe launch and discoveries of potential life-harboring caves, set against the challenge of a growing weak spot in Earth's magnetic field.
A new satellite battery called SatBat promises to be half the weight of current models while doubling usable power, potentially slashing launch costs for the growing LEO market.
Google is exploring a plan to move AI data centers into space through 'Project Suncatcher,' using satellite constellations to harness solar power in Earth orbit.
A student-built satellite, the size of a loaf of bread, is set to launch for NASA to study solar wind, highlighting student innovation in space research.
NASA is set to launch ESCAPADE, a pioneering mission with two identical satellites designed to solve the mystery of how Mars lost its ancient atmosphere.
Andy Stofan, a key NASA leader who directed the early space station program and revitalized the Glenn Research Center, has passed away at the age of 90.
A rare visitor from another star system, comet 3I/ATLAS, is passing through our solar system, offering scientists a unique chance to study material from deep space.
A new space race is underway as nations and private companies compete to mine helium-3 from the Moon for clean energy and quantum computing.
A small satellite built by 70 university students is set for a November launch to study space weather and help protect Earth's critical technologies.
A new analysis suggests AI-powered platforms are significantly outperforming government systems in predicting satellite collisions, reducing false alarms and giving operators more time to react.
A faint object near Earth, 2025 PN7, long thought to be an asteroid, may actually be the lost Soviet Zond 1 spacecraft that failed on its way to Venus in 1964.
