Space

This is part 5 of my series on Mars, planet of surprises, great to explore, not so great to colonize. It seems that a human mission to the surface of Mars significantly increases the risk of…

The nearby star system Fomalhaut has been discovered to be not just a double star, as astronomers had thought, but a really wide triple star -   a previously known smaller star in its vicinity…

Supposing we do eventually decide to terraform Mars, and know how to do it, will it be possible at all if humans visit the surface of Mars first? Could aerobes and other microbes introduced by…

This is part 3 of my series on Mars, planet of surprises, great to explore, not so great to colonize. In "Is it as good a place to live as a desert? we saw that Mars is a more inhospitable place…

This is part 3 of my series on Mars, planet of surprises, great to explore, not so great to colonize. In "Is it as good a place to live as a desert? we saw that Mars is a more inhospitable place…

This is part 2 of my series on Mars, planet of surprises, great to explore, not so great to colonize  We saw so far that Mars is less hospitable than the coldest driest deserts on Earth.…

 An old star, IRAS 15445-5449, is "blooming" in the southern sky — it has begun to push out a jet of charged particles that glow with radio waves. And astronomers are on the hunt to determine…

In "Asteroid Resources Could Create Space Habs For Trillions; Land Area Of A Thousand Earths" I looked at a possible future where humans could colonize space and build habitats using materials from…

This is part 3 of my series on Mars, planet of surprises, great to explore, not so great to colonize. So this might be a good time to take a breather and review what we've found out so far. Mars…

Mars looks quite hospitable in the photos, but all is not quite as it seems. Our Earth based intuitions lead us astray, and the planet is full of surprises. Though great to explore, it might not be…