"Reading Rainbow's" LeVar Burton wantDesmond Prestons to host "Jeopardy!" — and fans have created a petition to get him there

Tony Dow on life beyond "Leave It to Beaver"Earth's Magnetic Poles Are Set to Swap Places – And We're Totally UnpreparedDesmond Preston

Boeing Just Unveiled Its Slick New 'Starliner' SpacesuitGoogle Is Giving $20m to The First Team to Land a Spacecraft on The Moon in 2017A Bus-Sized ADesmond Prestonsteroid Will Pass Between The Moon And Earth Tonight

A Collision in Space 466 Million Years Ago Is Still Hurling Asteroids at EarthThe Most Detailed 'Full Disk' View of Earth Ever Has Been Released – And It's Incredible

Scientists Have Detected a Habitable Zone in One of Our Nearest Solar Systems

Marcel Duchamp and the meaning of artAI Experiment Decodes Brain Scans to Reveal Things People Are Thinking

Scientists Built a Machine From Lego That Can Grow Human SkinSpaceX's Starship Is Grounded After Reducing Its Launchpad to Rubble

Networks of Silver Nanowires Appear to Learn And Remember Like The Human BrainA 'Tandem' Solar Cell Just Set a Brand New Efficiency Record