Octopuses have nine brains, three hearts, and blue copper-based blood, with roughly two-thirds of their neurons spread through their arms, allowing each arm to taste, move, and react with a startling degree of local control

An octopus reaching into a crevice is not simply moving a limb the way a human moves a hand.

By Space Daily Editorial Team · May 20, 2026

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Cosmology

The bacteria living in and on your body outnumber your own cells, which means that by strict cellular count you are not majority human — and the ratio shifts noticeably depending on whether you've just been to the bathroom

It feels strange to admit, but the body reading this sentence is not, by strict cellular count, a human body.

By Space Daily Editorial Team · May 20, 2026

Constellations

In April 2019 the Israeli spacecraft Beresheet crashed into the lunar surface carrying thousands of dehydrated tardigrades inside a "lunar library" — and later impact tests put the survival cutoff for tardigrades at around 900 metres per second, almost exactly Beresheet's crash speed, meaning we still don't know whether Earth life is now lying dormant on the Moon with no water to revive it.

In April 2019, the Israeli spacecraft Beresheet crashed into the lunar surface carrying thousands of dehydrated tardigrades inside a "lunar…

By Space Daily Editorial Team · May 20, 2026

Psychology

Radioactive iron from an ancient stellar explosion has been found in 80,000-year-old Antarctic ice, confirming that the Solar System is passing through the remnant debris of a supernova

A team led by researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has found traces of iron-60 in Antarctic ice cores dating back…

By Space Daily Editorial Team · May 20, 2026

Human Behaviour

Technology spent 15 years removing every small resistance from your day — and a growing body of research suggests that was not as good for your brain as it was for their engagement metrics

Over roughly the past decade and a half, the dominant design logic of consumer technology has been to remove friction.

By Space Daily Editorial Team · May 20, 2026

Science

In 2007 the European Space Agency exposed dried tardigrades to the open vacuum of space for 10 days aboard the FOTON-M3 mission, and most survived the combination of vacuum and cosmic radiation, with some even surviving direct solar UV — then revived back on Earth and produced viable offspring.

In September 2007, the European Space Agency exposed dried tardigrades to the open vacuum of space for 10 days aboard the FOTON-M3 mission.

By Space Daily Editorial Team · May 20, 2026

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Mind & Meaning

The psychology of ambition, isolation, and meaning under extremes — and what frontier life teaches us about being human.

Constellations

A European-Chinese spacecraft just launched to photograph something nobody has ever actually seen — the invisible shield that keeps the solar wind from sterilizing Earth

By Space Daily Editorial Team

Cosmology

The James Webb Space Telescope has found galaxies that appear to have formed within 280 million years of the Big Bang, some containing heavy elements that shouldn't have had time to form — and at least one peer-reviewed paper has now proposed that the universe might actually be 26.7 billion years old, almost twice the standard estimate

By Space Daily Editorial Team

Tech Space

The Opportunity rover survived on Mars for 14 years — roughly 55 times longer than its 90-day design mission — before a 2018 global dust storm so vast it turned "day into night" across the entire planet buried its solar panels, and despite NASA sending more than 1,000 recovery commands afterward, the rover never woke up

By Space Daily Editorial Team

Constellations

A quantum flicker measured in centimeters and nanoseconds may be the hidden switch deciding whether a dying star explodes into a supernova or simply collapses in silence

By Space Daily Editorial Team

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Science

Physics, climate, planetary science, and the research that shapes how we understand the universe.

Science

Octopuses have nine brains, three hearts, and blue copper-based blood, with roughly two-thirds of their neurons spread through their arms, allowing each arm to taste, move, and react with a startling degree of local control

By Space Daily Editorial Team

Science

In 2007 the European Space Agency exposed dried tardigrades to the open vacuum of space for 10 days aboard the FOTON-M3 mission, and most survived the combination of vacuum and cosmic radiation, with some even surviving direct solar UV — then revived back on Earth and produced viable offspring.

By Space Daily Editorial Team

Science

Astronauts on the ISS lose about 1-2% of their bone density per month in microgravity — meaning a six-month mission costs them as much bone mass as a postmenopausal woman loses in a year — and the countermeasures NASA developed to slow that loss are now being studied as treatments for osteoporosis patients on the ground

By Daniel Moran

Science

The Antikythera mechanism was recovered from a Roman-era shipwreck in 1901 with at least 30 hand-cut bronze gears inside, and no comparable machine survives for centuries after it, as if a whole engineering tradition dropped out of history

By Space Daily Editorial Team

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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Octopuses have nine brains, three hearts, and blue copper-based blood, with roughly two-thirds of their neurons spread through their arms, allowing each arm to taste, move, and react with a startling degree of local control

The bacteria living in and on your body outnumber your own cells, which means that by strict cellular count you are not majority human — and the ratio shifts noticeably depending on whether you've just been to the bathroom

Radioactive iron from an ancient stellar explosion has been found in 80,000-year-old Antarctic ice, confirming that the Solar System is passing through the remnant debris of a supernova

Technology spent 15 years removing every small resistance from your day — and a growing body of research suggests that was not as good for your brain as it was for their engagement metrics

In 2007 the European Space Agency exposed dried tardigrades to the open vacuum of space for 10 days aboard the FOTON-M3 mission, and most survived the combination of vacuum and cosmic radiation, with some even surviving direct solar UV — then revived back on Earth and produced viable offspring.

A European-Chinese spacecraft just launched to photograph something nobody has ever actually seen — the invisible shield that keeps the solar wind from sterilizing Earth

A quantum flicker measured in centimeters and nanoseconds may be the hidden switch deciding whether a dying star explodes into a supernova or simply collapses in silence

Octopuses have nine brains, three hearts, and blue copper-based blood, with roughly two-thirds of their neurons spread through their arms, allowing each arm to taste, move, and react with a startling degree of local control

In 2007 the European Space Agency exposed dried tardigrades to the open vacuum of space for 10 days aboard the FOTON-M3 mission, and most survived the combination of vacuum and cosmic radiation, with some even surviving direct solar UV — then revived back on Earth and produced viable offspring.

The Antikythera mechanism was recovered from a Roman-era shipwreck in 1901 with at least 30 hand-cut bronze gears inside, and no comparable machine survives for centuries after it, as if a whole engineering tradition dropped out of history

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