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29
Jan 2026
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Moon safe for long-term human exploration, first surface radiation measurements show

Astronauts on the Apollo missions of the 1960s and ’70s carried dosimeters to measure their radiation exposure

Stellar explosion in Earth’s proximity

While a very close supernova could inflict massive harm to life on Earth, this one was far enough away

Scientists just worked out the total amount of matter in the universe

In total matter –the stuff from which humans & objects on Earth are made– makes up around a third of the total matter & energy in the universe

Elon Musk says humans must leave Earth because Sun will engulf our planet

Musk said that becoming a multi-planet species would allow human civilization to dodge extinction events that had affected other species

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