City Lights and Atmospheric Glow

JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui captured this photo of southern Europe and the northwestern Mediterranean coast from the International Space Station as it orbited 261 miles above Earth on Aug. 30, 2025. At left, the Po Valley urban corridor in Italy shines with the metropolitan areas of Milan and Turin and their […]

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing sight and a profound shift in perspective that followed. This unique experience is known as the […]

25 Year of Scientific Discovery Aboard International Space Station

November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity. Since the first crew arrived on Nov. 2, 2000, NASA and its partners have conducted thousands of research investigations and technology demonstrations to advance exploration of the Moon and Mars and benefit life on Earth. […]

NASA Sets Coverage for Crew Launch to Join Station Expedition

NASA astronaut Chris Williams will launch aboard the Roscosmos Soyuz MS-28 spacecraft to the International Space Station on Thursday, Nov. 27, accompanied by cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, where they will join the Expedition 73 crew advancing scientific research. Williams, Kud-Sverchkov, and Mikaev will lift off at 4:27 a.m. EST (2:27 p.m. Baikonur time) […]

Station Nation: Meet Alyssa Yockey, Neutral Buoyancy Laboratory Flight Lead 

Alyssa Yockey supports the International Space Station from NASA’s Johnson Space Center in Houston as a flight lead at the Neutral Buoyancy Laboratory. The Neutral Buoyancy Laboratory is one of the world’s largest indoor pools where astronauts and support teams conduct trainings and other large-scale operations, both in the water and on the pool deck.  […]

A Robotic Helping Hand

NASA astronaut Jonny Kim took this photo on July 23, 2025, as the International Space Station orbited 259 miles above a cloudy Pacific Ocean southwest of Mexico. Visible in the image is the 57.7-foot-long Canadarm2 robotic arm, which extends from a data grapple fixture on the International Space Station’s Harmony module. Attached to its latching […]

International Space Station: Launching NASA and Humanity into Deep Space

Curiosity and the desire to explore are traits deeply rooted in human nature. Space exploration is no exception; it reflects humanity’s timeless drive to seek new horizons, challenge our limits, and understand our universe. The advancements of modern civilization—from the electricity that powers our homes to basic hygienic breakthroughs that ensure our health— happened thanks […]

NASA, Sierra Space Modify Commercial Resupply Services Contract

In 2016, NASA awarded a Commercial Resupply Services-2 contract to Sierra Space, formerly part of Sierra Nevada Corporation, to resupply the International Space Station with its Dream Chaser spaceplane and companion Shooting Star cargo module. As part of its contract, Sierra Space was awarded a minimum seven flights, and the agency previously issued firm-fixed price task orders for […]