A new study has suggested that it may be possible to stop alien civilizations from discovering us.
Scientists believe that globular clusters may be a good place to look for extraterrestrial civilizations.
Author Graham Hancock claims that he has found new evidence to support his controversial theory.
Stephen Hawking believes that intelligent robots could be on course to destroy human civilization.
Could an alien civilization build a large spherical energy-harvesting structure around a distant star ?
Further evidence has been found suggesting that drought caused the collapse of the Mayan civilization.
Archaeologists have long pondered over the strange disappearance of the ancient Sanxingdu civilization.
The evolutionary biologist has suggested sending a record of our civilization out in to space.
Professor Brian Cox believes that 'human stupidity' is the biggest threat to civilization.
A new project is hoping to use heat detection to pick up signs of extraterrestrial intelligence.
A new scientific study has suggested that modern civilization may collapse within a matter of decades.
How widespread were pre-Columbian civilizations within the world's largest rainforest ?
Astronomer Geoff Marcy has received new funding to support his search for extraterrestrial civilizations.
How long would it take an alien civilization to explore the whole galaxy using automated probes?
New DNA evidence has suggested that the ancient Minoans may not have originated in Egypt at all.
The Maya civilization flourished in Central America for over 600 years, but how exactly did it begin ?
How likely is it that we will find an advanced alien civilization within our own Milky Way galaxy ?
A new study suggests that extreme weather conditions may have decimated the ancient Maya civilization.
Ruins from a long-lost civilization have been revealed beneath the desert sands of the Sahara.
If an intelligent alien civilization has ever sent unmanned probes to Earth, could we recover them ?