search for aliens

Is it true that in this vast universe, the Earth is the only place where life exists? Or do aliens have the ability to survive?

Where did aliens go? We humans have sent them a gold record disc, looking for their sign on Mars and beyond in our solar system.

After being commissioned in September 2016, a 500m-wide Aperture Spherical (FAST) telescope in China officially opened to the public. However, every day this place only welcomes