The legendary astronomer believes that it would be 'silly' to try sending messages in to space.
Scientists have been left scratching their heads over a 1,000km plume spotted high above the planet Mars.
The newly upgraded particle accelerator will be continuing its mission some time this spring.
Concerns were raised when bright blue snow started to turn up on the streets of Chelyabinsk.
A controversial new claim suggests that evidence of 'directed panspermia' has been found by scientists.
John Podesta has stated that his biggest failure of the last year was not securing UFO disclosure.
Some extrasolar planets that appear to be habitable may have lost the capacity to support life long ago.
A new study has confirmed that dogs are adept at reading the emotions of their human owners.
A strange saucer-shaped object has been dug up by miners during excavation work in Siberia.
Several top secret documents relating to the D-Day landings have been found hidden inside a hotel.
Scientists have discovered that there is another core nestled deep within the inner core of our planet.
A bag filled with items brought back from the Apollo 11 mission has been found in Neil Armstrong's house.
Astronomers are planning to send radio messages to Earth-like worlds within a range of 20 light years.
Scientists in Australia have determined that Earth-like planets are likely to be commonplace.
Zoe Butler got more than she bargained for when she opened up a tin of tuna from the supermarket.
Every note in the set has been replaced with actual cash to celebrate the game's 80th anniversary.
Researchers have found a way to 'jam' the genetic code of the virus which affects millions every year.
The space agency has secured enough funding to develop a mission to explore Jupiter's icy moon.
Scientists are hoping that Rosetta's companion lander will come back to life within a few months.
ESO’s Very Large Telescope has snapped a breathtaking image of a distant 'cometary globule'.