This artist's illustration shows the temperate planet Ross 128b, with its red dwarf parent star
In the Zone: How Scientists Search for Habitable Planets
Huge Space Telescope Needed to Seek Life on Alien Planets
The Search for Another Earth – Exoplanet Exploration: Planets Beyond our Solar System
Artist's impression of the free-floating planet CFBDSIR J214947.2-040308.9 – Exoplanet Exploration: Planets Beyond our Solar System
Alien Planet Kepler 186f - A Cousin of Earth
Superflare Blasts Proxima b, the Nearest Exoplanet, Dimming Hopes of Life
'Super-Jupiter' Discovery Dwarfs Solar System's Largest Planet
An artist's impression of the star LHS 1140 and its super-Earth planet, LHS
This chart shows the size of the TRAPPIST-1 star and planets compared to Jupiter
The Search for Alien Earths - How Coronagraphs Find Hidden Planets – Exoplanet Exploration: Planets Beyond our Solar System
An Earth-like planet orbiting a star that has formed a 'planetary nebula'
NASA's Kepler Mission Discovers Multiple Planets Orbiting Twin Suns – Exoplanet Exploration: Planets Beyond our Solar System
Infographic: Profile of planet 51 Pegasi b
An artist's impression the surface of Trappist-1f. Astronomers originally thought this might be
Alien Planet Made of Diamond Discovered
Forbidden planets: Understanding alien worlds once thought impossible | Science | AAAS
Top 5 Potentially Habitable Alien Planets #space #astronomy #science
'Diamond' Super-Earth Planet May Not Be So Glam
Closest Alien World to Us
7 Earth-Size Planets Orbit Dwarf Star, NASA and European Astronomers Say - The New York Times
The Kepler-90 planets have a similar configuration to our solar system, with small
Nasa to launch Tess on hunt for 20,000 new worlds | Science | The Guardian
Exoplanet HIP 65426b is the first discovered planet around star HIP 65426.
Strange New Worlds: The Amazing Alien Planet Discoveries of 2013
22 stunning photos of our solar system and beyond in 2016
Twelve New Kepler HZ Candidates
If we made contact with aliens, how would religions react?
Looking towards the sky around Orion from Alpha Centauri with Sirius near Betelgeuse, Procyon in Gemini, and the Sun between Perseus and Cassiopeia ...
TRAPPIST-1 is a planetary system, located 12 parsecs away from the Solar system (39 light years), near the ecliptic, within the constellation of Aquarius.
... to be learned from the original Kepler data and likely to be unknown planets lurking in the light curves missed by the computers waiting to discovered.
Artist's conception of a multitude of tiny diamonds next to a hot star.
Exoplanet Fomalhaut b (Dagon), 25 light-years away, with its parent star Fomalhaut blacked out, as pictured by Hubble in 2012.
Have Aliens Built Huge Structures around Boyajian's Star?
A possible ninth planet may be the reason for a tilt in our solar system
Proxima Centauri, our closest stellar neighbour (Credit: ESA/Hubble)
A star forming region in the Large Magellanic Cloud
Population of Known Alien Planets Nearly Doubles as NASA Discovers 715 New Worlds
'Super-Earth' Alien Planet May Be Habitable for Life
The Crop Circles are often believed to be created by aliens, as there is no
And have we already seen it on Mars?
Earth is one of many planets (Credit: Mopic/Alamy Stock Photo)
Nikole Lewis, astronomer at the Space Telescope Science Institute in Baltimore, announces the discovery
The newly discovered super-Earth orbiting the nearby star GJ 1214.
Alien. A large egg-shaped object that is cracked and emits a yellow-ish light
Some scientists believe this is a seed sent to earth by aliens
An artist's conception from a couple years ago of Kepler-62f, a planet discovered in 2013 that is comparable to the newly found Kepler 452b.
The rocky alien planet Kepler 186f is an Earth-size world that could have liquid
Jupiter's tumultuous atmosphere
Planetary nebula IC 289 is a cloud of ionised gas being pushed out into space by the remnants of the star's core
Comet Shoemaker–Levy 9 colliding with Jupiter: The sequence shows fragment W turning into a fireball on the planet's dark side
Alien life could be found on other planets within the next 20 years, Nasa claims
A group of self-proclaimed paranormal researchers may have found proof of aliens near the
Number of planets, relative parameters and spacings
Sizes of Kepler Planet Candidates – based on 2,740 candidates orbiting 2,036 stars as of November 4, 2013 (NASA)
A bust of an alien described by Betty Hill sat on her coffee table. Hill