Could aliens have visited Earth before humans developed civilization? Some scientific clues keep the question alive

Earth’s deep past leaves plenty of unanswered questions. None currently proves an alien visit, but scientists know the ...

Could alien organisms survive in temperatures that would kill humans instantly? Science is revealing how far life can adapt

Earth already contains organisms that survive conditions humans could never endure. Alien life, if it exists, may force ...
YAHOO!

What if aliens don’t need planets to survive? Scientists have considered some extraordinary possibilities

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...
Scientific American

Can the world’s religions survive the existence of aliens?

Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to ...

Harvard Astrophysicist Challenges Ex-Pentagon UFO Investigator’s Claims Of Recovered Alien Spacecrafts And Non-Human Bodies

A former Pentagon UFO investigator claims the U.S. has recovered alien spacecraft and non-human bodies (i.e. alien ...