The search for life out there begins right here, in some of Earth’s most extreme environments. In the fourth episode of our documentary series Our Alien Earth, NASA astrobiologists explore beneath the volcanoes of Hawai’i to advance our search for life on other worlds. Watch today: https://go.nasa.gov/4oWEg6D | NASA - National Aeronautics and Space Administration

If we find a planet full of aliens that look like giant spiders how would we communicate with them? Most of the world's species remain undiscovered by science. Biologists have described and classified 1.7 million plants and animals as of 2010, less than one-quarter of the total species estimated in the world. Scientists figure there are still over five million species waiting to be found. This "Peacock Spider" is out of this world! www.AncientExplorers.com | Ancient Explorers

In an attempt to find proof of extra-terrestial beings having been on earth, the team pays a visit to a father and son who claim to have shot a piece off a UFO, but will the lab report support their story? Watch more Uncovering Aliens on discovery : https://bit.ly/3r8vTeb | Love Space