Brian Sterling-Vete maintains that intelligent paranormal entities may actually have a limited lifespan.
Over 500 million years ago, these huge predatory worms prowled the Cambrian seas.
Prominent figures including Professor Brian Cox and MUFON director David MacDonald have offered up their reactions.
A spate of mysterious sheep deaths in the Welsh Cambrian mountains has been attributed to extraterrestrial visitors.
The legendary rock guitarist, who has a PhD in astrophysics, recently spotted something odd in a field in the UK.
The rock band's members once attempted an impromptu Nessie hunt on the banks of Scotland's famous loch.
According to Professor Brian Cox, if ghosts existed, CERN's atom smasher should have found them by now.
Professor Brian Cox maintains that advanced extraterrestrial civilizations may inevitably self-destruct.
A newly discovered species of spider in Australia spends most of its time hunting in freshwater streams.
Professor Brian Cox has put forward the notion that Pluto may he capable of harboring primitive life.
Professor Brian Cox believes that 'human stupidity' is the biggest threat to civilization.
41-year-old Brian Miller reported a vivid near-death experience when his heart stopped for 45 minutes.