The bigger the hailstone, the more damage it can cause. But scientists find that predicting hailstone size can be challenging. How quickly does hail melt as it falls? Now, you can help tackle this question by joining the SouthEAst REgion CoCoRaHS Hail (SEaRCH) project. This network of backyard weather observers includes volunteers of all ages [...]
NASA’s crawler-transporter 2, carrying NASA’s Artemis II SLS (Space Launch System) rocket with the Orion spacecraft, arrives Wednesday, Feb. 25, 2026, inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida to troubleshoot the flow of helium to the rocket’s upper stage, the interim cryogenic propulsion stage. Once complete, the SLS rocket will roll back to Launch Complex 39B to prepare to launch four [...]
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Photo of the Day If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe containing billions of stars and situated about 40 million light-years away toward the constellation of the Dolphinfish (Dorado), NGC 1566 presents a gorgeous face-on view. Classified as a grand design spiral, NGC [...]
As its team prepared for second flight, NASA’s X-59 quiet supersonic aircraft underwent engine run testing on Thursday, March 12, 2026, at NASA’s Armstrong Flight Research Center in Edwards, California.Credit: NASA NASA will hold a media teleconference at 5:30 p.m. EDT on Thursday, March 19 to highlight plans for its X-59 quiet supersonic aircraft’s upcoming [...]
2 Min Read SPARCS CubeSat ‘First Light’ Images PIA26731 Credits: NASA/JPL-Caltech/ASU Photojournal Navigation Science Photojournal SPARCS CubeSat ‘First… Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About Downloads SPARCS CubeSat ‘First Light’ Images PNG (1.73 MB) Description This pair of images shows stars observed by the SPARCS (Star-Planet Activity Research CubeSat) space [...]
7 min read To Protect Artemis II Astronauts, NASA Experts Keep Eyes on Sun As four astronauts travel around the Moon on NASA’s Artemis II mission, they will venture beyond Earth’s protective magnetic field. The crew’s spacecraft, Orion, will carry and protect them as they journey into deep space and serves as the main protection against the [...]
NASA astronauts Jessica Meir and Chris Williams, both Expedition 74 flight engineers, familiarize themselves with the hardware they will use to install a modification kit and route cables on the port side of the International Space Station. The duo will conduct a spacewalk using the hardware to prepare the orbital outpost for a future roll‑out [...]
Dr. Robert H. Goddard and a liquid oxygen-gasoline rocket in the frame from which it was fired on March 16, 1926, at Auburn, Mass.Esther Goddard, from the Clark University archive From the voyages of spacecraft to the Moon and beyond, to the launches of satellites that help us navigate, communicate, and understand our planet and [...]
Download PDF: A Combination of Techniques Leads to Improved Friction Stir Welding The NESC developed several innovative tools and techniques during an assessment to find the root cause of poor tensile strength and low topography anomalies (LTA) in welds formed using a solid-state welding process called self-reacting friction stir welding (SRFSW). Using a combination of [...]
