Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

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 ...

Rocket Lab will try again tonight (Jan. 29) to launch a South Korean disaster-monitoring satellite, and you can watch the ...

A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...