Horror? Guaranteed. Survival? Less so.

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

What would in any other place have passed as a substantial intelligence, a planet that is alive, or a star that is engineered? Radio signals and intentional messages formed the basis of the search of ...

A toxic chemical long considered hostile to life on Mars, may not be an obstacle to building on the Red Planet after all. Instead, it could.

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...