This video was actually 'recorded live' so to speak, under the silver arch! The silence you hear, is the silence of the dark night in a clearing way up high in the Sierra Nevada Mountain range. Quite a profound and moving experience.

NASA Chief Just Announced A Serious WARNING About Betelgeuse Star Explosion! Betelgeuse is one of the brightest stars that you can see in the night sky, and its eventual explosion is an event that NASA has been dreading for a while. Located on the shoulder of Orion, Betelgeuse is fast approaching t...

A look at the James Webb Space Telescope, its mission and the incredible technological challenge this mission presents. The Webb is now in the final stages of testing in the U.S. before being shipped to French Guiana ahead of its expected launch from there at the end of October, 2021.

Shuttle Endeavour's six astronauts have checked the systems they need to bring NASA's next-to-last space shuttle flight to an end. They are expected to land early Wednesday Morning June 1st, 2011.

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.

With the STS-133 crew in tow, space shuttle Discovery lifted off from the Kennedy Space Center on Thursday, Feb. 24. at 4:53 p.m. Eastern -- her final ride ...returning on Wednesday, March 9, 2011 at 11:56 AM ET

20 years after being killed in an anti-gay hate crime in Wyoming, Matthew Shepard will be laid to rest at the Washington National Cathedral. Shepard's October 1998 death became an important symbol spotlighting the discrimination experienced by the LGBTQ community.

Shine bright like a diamond: A chance alignment of a blue planetary nebula, a vivid foreground star, and the ESO's Very Large Telescope in Chile produces an apparition like an engagement ring. Guitar virtuoso Joe Satriani provides the soundtrack and his new book "Strange Beautiful Music: A Musical M...

How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide? We've never seen them directly, yet we know they are there. Lurking within dense star clusters or wandering the dust lanes of the galaxy. Where they prey on stars. Or swallow planets whole....

Endeavour has made a night-time touchdown at the Kennedy Space Center in Florida after completing its final mission.