Scientists believe that these new worlds lie in the 'Goldilocks zone' of their respective solar systems.
Emma Adam had been out walking in woods near the town of Ashby when she encountered a large black cat.
Aerospace entrepreneur and NASA partner Robert Bigelow believes that ET is already here on Earth.
The mysterious star has been puzzling astronomers for years due to its erratic, inexplicable behavior.
A new proposal has been put forward to send a spacecraft to look for signs of alien life on Europa.
A large terrestrial planet located 40 light years away could be the perfect place to search for ET.
Numerous sightings of strange objects in the skies above County Derry have been reported over the years.
The space agency has discovered all the crucial ingredients for life in the oceans of Saturn's icy moon.
A new paper has suggested using a lottery and savings bond as a way to fund the search for alien life.
Alan Bean, one of only 12 people to walk on the Moon, doesn't believe we have ever been visited by aliens.
A new paper has suggested that we may have already found evidence of intelligent extraterrestrials.
Britain's wartime Prime Minister wrote many articles long before ever stepping foot in Downing Street.
Scientists are hoping to develop a mission to learn once and for all whether there is life on Europa.
Do intelligent extraterrestrials see our planet in the same way as we might see a nature reserve ?
The find is so unusual that it has had to be assigned to a whole new branch of the insect family tree.
Scientists have developed a new testing method to aid in the hunt for extraterrestrial life forms.
Astronomers believe that a planet 14 light years away may be a promising place to look for alien life.
A prehistoric species of shrimp in Australia has been emerging from the ground recently due to heavy rain.
Scientists are keen to launch a mission to Venus to investigate mysterious dark streaks in its clouds.
The Very Large Telescope (VLT) in Chile will soon be seeking out habitable worlds around Alpha Centauri.