Planetary rings made of rock or silicates might be common in the Galaxy.
Planets in multi-star systems may host exotic forms of the more familiar plants we see on Earth.
It may be easiest to find E.T. by simply spying on any mega-engineering projects an advanced civilization might be undertaking.
White dwarfs may technically be the remnants of dead stars, but could they provide a steady, long-term energy source to alien life?
Despite the bad press, I really enjoyed 'Battle: Los Angeles.' It is, after all, just a movie about war, aliens and mankind's desire not to be exterminated without a fight.
The Beta Pictoris disk became the poster child for the possibility of planets around other star.
Only 10 percent of religious people think that the discovery of intelligent life in space would challenge their view of God.
If you want to find a planet that shines like Earth, red, green and blue light filters are the best bet.
Using Kepler observations, an estimate of the number of exoplanets populating our galaxy has been made.
New clues are being found as to how violent exoplanetary atmospheres can be.