NASA Launch Commentator George Diller opens coverage of the Grail mission right before launch on September 10, 2011.

According to ancient astronaut theorists, Ramanujan, the mathematician who lived almost a hundred years ago and whose breakthroughs helped form the basis of superstring theory and multidimensional physics, claimed to have been influenced by otherworldly beings in this clip from Season 11, Episode 5,...

Scientists are buzzing about gravitational waves and what a big deal they are. Wait! Don’t be embarrassed if it all leaves you confused and you just can’t share their excitement. Here's your guide to gravitational waves, short and simple as ABC.

The first set of images from the GOES-16 satellite have been released by National Oceanic and Atmospheric Administration (N0AA). The geostationary satellite will be used for weather forecasting, severe storm tracking and more.

Full Moon Silhouettes is a real time video of the moon rising over the Mount Victoria Lookout in Wellington, New Zealand.

A flurry of solar activity in early March dumped enough heat in Earth's upper atmosphere to power every residence in New York City for two years. The heat has since dissipated, but there's more to come as the solar cycle intensifies.

A total solar eclipse casting a shadow 70 miles wide will cross the entirety of the continental US. Here's why that's a big deal!

NASA May Have Found the First Planet in Another Galaxy. “We know we are making an exciting and bold claim so we expect that other astronomers will look at it very carefully,” study co-author Julia Berndtsson of Princeton University said in a statement. “We think we have a strong argument, and this

The Annual World Air Balloon Showcase took place on July 21, 2011 in Lorraine France. This video was taken during the
last showcase over the landscape of the beautiful north east region of France, which borders with three other countries: Belgium, Luxemburg and Germany.

The first free flight of a Morpheus prototype lander was conducted Dec. 10, 2013, at Kennedy Space Center's Shuttle Landing Facility. The 54-second test began with the Morpheus lander launching from the ground over a flame trench and ascending approximately 50 feet, then hovering for about 15 second...