NASA shocker: Astronaut reveals humans could have been on Mars in the 1960s
"The majority of the astronauts that we send on those missions wouldn't make it"
NASA is searching for meteorites that splashed down into the Pacific Ocean & here’s why
In 2013, an asteroid over 50 feet across and weighing some 10,000 metric tons slammed into Russia, unexpectedly
Get ready for Galactic Tick Day! (VIDEO)
One "galactic tick" represents 1/100th of an arcsecond’s worth of the orbit of our solar system around the Milky Way. Got that?...