Are we alone in the universe? Or is there life out there? If there are aliens, what would they look like? These are the questions being debated by astronomers gathered at the Royal Society in London to celebrate the organization's 350th anniversary: "I hope I can find intelligent life outside of Earth," said astronomer Martin Rees.
In James Cameron's new movie Avatar, humans visit an alien moon named Pandora. If moons like this exist, or like the Endor satellite from Star Wars, NASA's Kepler mission will find them, according to astronomer Lisa Kaltenergger.
If humans were forced to evacuate Earth, what would be the best candidate in the solar system to live? According to a study by the University of Puerto Rico, the ranking would be headed by Enceladus, followed by Mars and Europa.
Scientists on the Cassini space mission have discovered salty ice particles in Saturn's rings that could indicate the presence of an ocean on the moon Enceladus.
The day is not that far off when we can receive an email from Venus or send data to Pluto. NASA intends to create an interplanetary network that improves communications for future manned missions to Mars and other points in the Solar System.
"In 2010 we will know if there are other planets like Earth" Halfway between the economist and the scientist, Michael Kaplan has the responsibility of carrying out one of NASA's most ambitious projects. The Origins Program is intended to search for planets outside the solar system.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.