Countless mysterious objects have been caught by NASA's cameras. Many astronauts have even reported seeing unidentified flying objects. Has NASA recorded the first traces of extraterrestrial life?
James McDivitt, a NASA astronaut and engineer in the 1960's, reported he saw and filmed a strange object in space. Is there a logical explanation or was there really something out there?
The U.S. Air Force created the Condon Report in 1968 to address supposed UFO sightings. The report stated that "further extensive study of UFO's probably cannot be justified" and is seen by some as an attempted government cover up.
How will humans react when we learn a spacecraft is on its way to Earth? Will humans learn from aliens, or become colonial subjects? ALIEN ENCOUNTERS: THE ARRIVAL premieres Tuesday, March 20 at 10PM E/P on SCIENCE.
What would really happen if we got a message from space? How would humans react? ALIEN ENCOUNTERS: THE MESSAGE premieres Tuesday, March 13 at 10PM E/P on SCIENCE.
For centuries, mankind has looked to the skies and wondered, "are we alone in the universe?" SCI tackles this defining question with a month-long original programming event. "Are We Alone?" month starts Tuesday, March 6 at 10PM E/P.
For centuries, mankind has looked to the skies and wondered, "are we alone in the universe?" SCI tackles this defining question with a month-long original programming event. "Are We Alone?" month starts Tuesday, March 6 at 10PM E/P.
In June 2010, a mysterious light was seen in the early morning skies over Australia. Was it a UFO? Can it be explained? James Williams speaks with Discovery News Space producer Ian O'Neill to find out.
Was that a UFO sighting...or a hoax? It turns out that crafting a UFO video hoax is quite easy if you know the right tricks. James Williams gets five tips from an accomplished UFO hoax video creator.
Will the real ET be little green men or little green bacteria? SETI Institute Senior Astronomer Seth Shostak theorizes what our first alien encounter might be like.
Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.