Observations of the orbits of six small objects have led researchers to propose a very large 9th planet--100s of astronomical units (AU) away from the sun. Far enough away that this Neptune-sized planet takes ~15,000 years to complete one orbit.

SpaceX's Inspiration4, the first all-civilian spaceflight in history splashes down in the Atlantic Ocean after completing a three-day orbital flight around the Earth.

Planetary Resources' mission is mine near-Earth asteroids for raw materials, ranging from water to precious metals. Through the development of cost-effective exploration technologies, the company is poised to initiate prospecting missions targeting resource-rich asteroids that are easily accessible....

The robot lander Philae has sent back to Earth the first image taken on the surface of a comet more than 500 million kilometers away.

Launched on Feb. 11, 2010, the Solar Dynamics Observatory, or SDO, is the most advanced spacecraft ever designed to study the sun. On June 5 2012, SDO collected images of the rarest predictable solar event--the transit of Venus across the face of the sun. This event happens in pairs eight years apa...

Atlas V roars off the launch pad sending NASA's next Mars rover toward the Red Planet. The launch date was November 26, 2011 and the landing in Mars is scheduled for August 6, 2012.

The track, a mash-up of the group singing Taylor Swift’s hit song “Blank Space” while playing Johann Sebastian Bach’s illustrious “Partita No. 3 in E Major” is the latest off the group’s new album POPssical. The video centers around the idea of chance meetings and dating and features Edmund Bagnell

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.