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...

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...

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...

Forty-five years ago, at 11:56 p.m. ET on July 20, 1969, Neil Armstrong became the first man to set foot on the moon. He said, "That's one small step for a man, one giant leap for mankind," and along with astronaut teammates Edwin "Buzz" Aldrin and Michael Collins, they helped change human history.

Dr. Wendy Freedman, Chairman GMT, and Dr. Pat McCarthy, Director GMT, discuss the Giant Magellan Telescope's mirrors and the science that they will enable.

40 years ago, if you were to ask somebody what the future of transportation is going to look like, they might tell you it would be flying cars. But right now, in 2022, if you might ask what the future of transportation will look like by the year 2050, people might think of point-to-point suborbital...

Highlights from a Sept. 28, 2015, briefing with NASA officials discussing the strongest evidence yet that liquid water flows intermittently on present-day Mars.