Stories by Jonathan O’Callaghan
Jonathan O’Callaghan is an award-winning freelance journalist covering astronomy, astrophysics, commercial spaceflight and space exploration. Follow him on X @Astro_Jonny
Extraterrestrial LifeDecember 15, 2025
RNA Might Have Formed Naturally on Early Earth, Seeding Life
New experiments show how RNA might form not just on Earth but on other rocky planets, too
Jonathan O’Callaghan
Planetary ScienceNovember 18, 2025
Mars Sample That May Contain Evidence of Life Might Never Come Home
NASA spent years and billions of dollars collecting Martian samples to bring home. Now they might be stranded
Jonathan O’Callaghan
Space ExplorationNovember 1, 2025
It’s Nearly Time to Say Goodbye to the International Space Station. What Happens Next?
Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place
Jonathan O’Callaghan
Extraterrestrial LifeOctober 28, 2025
UFOs Are Just One Explanation for Mysterious Patterns in Old Telescope Data
New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy
Jonathan O’Callaghan
Hints of Atmosphere on Earth-Sized Exoplanet Raise Hopes for Life
A monumental sign of an atmosphere on TRAPPIST-1e could be the precursor to finally finding a living world around another star
Jonathan O’Callaghan
7 Big Mysteries about Interstellar Object 3I/ATLAS
Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it
Europe Solidaire 