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
Astronomers have discovered a young galaxy being slowly starved by its central black hole in a process described as a "death by a thousand cuts."
The University of Arizona's Pandora satellite is set for a weekend launch to study the atmospheres of at least 20 distant exoplanets for signs of water.
A new scientific study analyzing meteorite samples has concluded that widespread asteroid mining is not currently viable, urging a strategic focus on water-rich targets.
NASA's ESCAPADE mission is testing a new low-cost, high-risk strategy for planetary exploration. Now on its way to Mars, its success could reshape space science.
A new study identifies a specific class of asteroids rich in olivine and spinel as the most viable targets for future space mining, shifting focus from older theories.
As hundreds of new lunar missions are planned, space agencies are proposing designated “graveyard zones” on the Moon to safely crash-land defunct satellites.
NASA has successfully tested a new technology allowing spacecraft to switch between government and commercial communication networks, similar to cellphone roaming.
A newly launched satellite passed within 200 meters of a SpaceX Starlink craft, prompting urgent calls for better coordination in an increasingly crowded orbit.
Chinese astronauts have finished an 8-hour spacewalk to assess a spacecraft damaged by space debris, while also upgrading the Tiangong station's shielding.
NASA's ESCAPADE mission, a low-cost, high-risk project, has launched toward Mars to test a new model for planetary science reliant on commercial partnerships.
NASA's PUNCH mission has completed a record-breaking, near-continuous 40-day observation of Comet SWAN, providing an unparalleled look at its journey.
The growing swarm of satellites in low-Earth orbit now threatens to blind space telescopes, a problem once thought to be limited to ground-based observatories.
NASA's new Pandora telescope, launching in 2026, will conduct a deep study of 20 exoplanets to better understand their atmospheres by filtering out stellar interference.
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.
