[+] A very interesting discussion about the possible existence of UFOs ...

[-] A very interesting discussion about the possible existence of UFOs (Unidentified Flying Objects) and life on other planets.

[+] Two U.S. robotic rovers are entering their fourth year exploring ...

[-] Two U.S. robotic rovers are entering their fourth year exploring opposite sides of Mars, an unexpected length of time for a mission planned for only three months. Yet, now after three years, the mechanical geologists keep plodding along, studying Martian rocks and soil. Although they show certain signs of aging, new computer software has given them expanded capabilities, proving you can teach an old robot new tricks

[+] The U.S. space agency NASA has stepped up its search ...

[-] The U.S. space agency NASA has stepped up its search for the original videotapes of the first moon landing in 1969. The tapes are missing, but NASA does not consider them lost. They are of higher visual quality than the images the world saw 37 years ago.

[+] The Canadian Shield is marked by some of the largest ...

[-] The Canadian Shield is marked by some of the largest and best preserved meteorites in the world. Learn about these space rocks which fall into Canada everyday.

[+] A very interesting discussion about the possible existence of UFOs ...

[-] A very interesting discussion about the possible existence of UFOs (Unidentified Flying Objects) and life on other planets.

[+] A very interesting discussion about the possible existence of UFOs ...

[-] A very interesting discussion about the possible existence of UFOs (Unidentified Flying Objects) and life on other planets.