The trailer of filmmaker Steven Spielberg's Summer release, Disclosure Day was unveiled at Super Bowl on Sunday. The film ...
Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.
In a new paper, an international team of researchers revisited the idea of blowing up an incoming asteroid with a nuclear ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results