One group of experts now say that looking for life on water and oxygen-rich planets could be a waste of time.

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Astronomers estimate there could be a trillion planets in our galaxy, yet no confirmed signs of alien civilizations. The talk ...

Now, the planets of Tau Andromeda are overgrown with wildlife, nature reclaiming the skyscrapers of a once-advanced ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering ...

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.

But now, 60 years after the Prime Directive was introduced to Star Trek lore, Starfleet Academy has just evolved the ...

Embarking on a spur of the moment astronomy lesson, Musk explained that the sun makes up some 99.8% of mass of the solar system, and that Jupiter, the biggest planet, is just kind of a rounding error ...

Elon Musk didn't pitch a new rocket. He pitched a new reality. Speaking at SpaceX's Starbase facility in Texas earlier this ...

When you look back at ’90s and 2000s sci-fi, it’s amazing how one movie with a giant stone ring changed virtually everything. Stargate began in 1994 as a single big-screen adventure starring Kurt ...