Sentences with phrase «alien microbes on»

Not exact matches

Stories on hints of dark matter at the dawn of the cosmos, what giant family trees can tell us about human behavior, and how people think they would react to alien microbes

If there is life on the Red Planet — even just alien microbes clinging to existence in isolated refuges — any biological contamination we import from Earth could cause an ecological and scientific catastrophe

The first sign of aliens might not be microbes or radio signals but fossilised imprints or excrement left on the solid surfaces of Mars or Titan

The 1996 discovery of carbonate structures in meteorite ALH - 84001 — which travelled to Earth from Mars more than 13,000 years ago — was hailed at the time as evidence that alien microbes once lived on the red planet.

Today the agency has embraced the search for microbes on Mars and other planets but at least for now tends to avoid the far more controversial topic of looking for alien civilizations.

WE CA N'T directly detect plants or animals, much less microbes, on alien worlds, but their effects on a planet's atmosphere may be easier to spot.