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The sky is being privatised and divided - before anyone got a vote. Deeply reported films on who is quietly claiming low orbit, the radio spectrum, and the Moon, and what that land-grab costs the rest of us on the ground.
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Constellations
In 2019, Canada launched three radar satellites that can see through Arctic cloud and polar darkness, and now, with the original trio seven years into a seven-year design life, Ottawa has handed MDA Space a C$688 million contract to build the replacement before the constellation starts to fail
For much of the year, vast stretches of the Canadian Arctic sit under cloud or in polar darkness, invisible to ordinary cameras in orbit.
Aerospace
Astronomers at Cambridge have proposed that the galaxy may contain a vast and previously unrecognised population of habitable planets, characterised by a global liquid water ocean beneath a hydrogen atmosphere, that exist across a far wider range of stellar conditions than Earth-like worlds and that may be substantially easier to detect signs of life on than the Earth analogues that astronomers have been searching for over the past three decades
For most of the past sixty years, the search for life beyond Earth has been a search for places like Earth.
What’s up in
Mind & Meaning
The psychology of ambition, isolation, and meaning under extremes — and what frontier life teaches us about being human.
Harry Harlow gave infant rhesus monkeys a choice between a wire mother that could feed them and a soft cloth mother built for warmth and comfort. Again and again, the monkeys clung to the cloth mother, going to the wire one only when they needed milk — a finding that helped overturn the idea that love was just hunger in disguise.
Astronomers thought Solar System comets gave us a fair sample of comet water, but interstellar comet 3I/ATLAS has blown that idea open: its water carries over 30 times more heavy hydrogen than typical comets formed around our Sun, hinting that our own comet family may be the local oddball — not the cosmic rule.
Astronauts on the Moon, with no atmosphere above them, looked up and saw a white sun — the yellow colour we see from Earth is not the sun's real colour but an artefact our own atmosphere paints onto it by scattering blue wavelengths sideways into the sky
At twenty, the brain processes information faster than it ever will again. In middle age, the same brain may read other people’s emotions more accurately than it ever has. By the late sixties, its vocabulary can still be climbing. The human mind does not peak once — it rotates.
What’s up in
Science
Physics, climate, planetary science, and the research that shapes how we understand the universe.
Harry Harlow gave infant rhesus monkeys a choice between a wire mother that could feed them and a soft cloth mother built for warmth and comfort. Again and again, the monkeys clung to the cloth mother, going to the wire one only when they needed milk — a finding that helped overturn the idea that love was just hunger in disguise.
Astronomers thought Solar System comets gave us a fair sample of comet water, but interstellar comet 3I/ATLAS has blown that idea open: its water carries over 30 times more heavy hydrogen than typical comets formed around our Sun, hinting that our own comet family may be the local oddball — not the cosmic rule.
In 1909, the chemist Fritz Haber pulled a few millilitres of ammonia out of ordinary air in a Karlsruhe laboratory, and the reaction he started now supplies the nitrogen atoms in roughly half the protein inside every human body alive today
Astronauts on the Moon, with no atmosphere above them, looked up and saw a white sun — the yellow colour we see from Earth is not the sun's real colour but an artefact our own atmosphere paints onto it by scattering blue wavelengths sideways into the sky
About Space Daily
Space, science, and the human side of the frontier. Since 1995.
Space Daily is an independent publication covering three connected beats: the space industry, the science behind it, and the psychology of ambition, isolation, and meaning under extremes. Founded in Tokyo in 1995, we’ve built a thirty-year archive of rigorous reporting on the people, missions, and ideas pushing humanity outward — and on the human dynamics shaped by frontier life. The same ambitions, pressures, and patterns of mind that drive humanity to the stars also shape how we live on Earth. We employ modern AI technologies to support our editorial workflows; every published piece is editorially directed and reviewed.
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