ALT NASA T-38 jets are pictured at Ellington Field in Houston, Texas. Photo: NASA/Bill Stafford

ALT A NASA T-38 jet is pictured at Ellington Field in Houston, Texas. The Freedom 250 symbol has been added to the side of the aircraft. Photo: NASA/Bill Stafford

ALT NASA's Gulfstream V is pictured at Ellington Field in Houston, Texas. The Freedom 250 symbol has been added to the side of the aircraft. Photo: NASA/Bill Stafford

ALT NASA's WB-57 is pictured at Ellington Field in Houston, Texas. The Freedom 250 symbol has been added to the side of the aircraft. Photo: NASA/Bill Stafford

ALT Adam Brown, Quality Inspector for L3Harris, examines one of the RS-25 rocket engines that was recently offloaded inside the Vehicle Assembly Building at NASA Kennedy Space Center. He is wearing eye protection and holding a flashlight. Credit: NASA

ALT A view of the RS-25 rocket engine from above. The engine is laying on its side and has the shape of a bell, with a wide opening at the bottom. The top of the bell shape is covered in a cluster of piping. Credit: NASA

ALT Two RS-25 rocket engines are seen in this image — one in the background laying on its side and one right side up in the foreground. They are both inside of a white windowless room. Credit: NASA

ALT James Spicer, Crew Health and Performance Exploration Analog (CHAPEA) Mission 2 flight engineer, conducting a maintenance activity outside the habitat during a simulated EVA. Credit: NASA

ALT Ellen Ellis, Crew Health and Performance Exploration Analog (CHAPEA) Mission 2 medical officer, conducts exercise performance testing. The mask she’s wearing helps track how well her body is using oxygen. Credit: NASA

ALT Peppers thrive in hydroponic crop growth system within the Crew Health and Performance Exploration Analog (CHAPEA) Mission 2. Credit: NASA

ALT The Crew Health and Performance Exploration Analog (CHAPEA) Mission 2 crew spends off-duty time inside the habitat (from back left: Ross Elder, Matthew Montgomery, James Spicer, and front left: Ellen Ellis). Credit: NASA

ALT On this week’s #HWHAP, Dr. Giuseppe Iaria discusses scientific results from the Wayfinding investigation on space station and how astronauts adapt to life aboard the International Space Station. Credit: NASA

ALT Flight engineer Sophie Adenot of ESA (European Space Agency) assists flight engineer Chris Williams of NASA as he tries on his spacesuit, testing its comfort and mobility as well as its communications and life support systems inside the International Space Station’s Quest airlock. Williams was preparing for a spacewalk to replace a malfunctioning wrist joint on the Canadarm2 robotic arm, planned for June 30, 2026.

ALT (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is attached to the Canadarm2 robotic arm's latching end effector while being maneuvered to her worksite 264 miles above the South Pacific Ocean. Williams removed and stowed a radio frequency group antenna assembly during the five-hour and 26-minute spacewalk outside the International Space Station.

ALT NASA astronauts Jessica Meir and Chris Williams, both Expedition 74 flight engineers, are pictured outside the International Space Station during a spacewalk to complete installation of a modification kit ahead of future solar array installation on the 2A power channel of the orbital outpost. It was William’s first spacewalk, Meir's fourth, and the 278th in support of space station maintenance, upgrades, and assembly.

ALT Clouds trace out the islands of the Caribbean Sea in this photo taken by an astronaut from inside the Cupola on the International Space Station. Beyond the solar arrays and the docked Progress resupply vehicle, the multi-toned waters of the Caribbean and the Atlantic Ocean frame the Bahamas, Cuba, Jamaica, and southern Florida. Credit: NASA

ALT From left to right: ESA astronaut Rosemary Coogan, JAXA's Ayu Yoneda and NASA's Tracy Dyson learning how to measure water parameters and record them during the CAVES training course, June 2026.

ALT NASA astronaut Jessica Meir waves at the camera during a seven-hour, two-minute spacewalk outside the International Space Station on March 18, 2026. Credit: NASA

ALT A photograph taken from the International Space Station showing a sunrise illuminating Earth’s horizon over the Indian Ocean. Credit: NASA

ALT NASA astronaut Frank Rubio, ESA (European Space Agency) astronaut Luca Parmitano, and NASA astronaut Randy Bresnik participate in one of their first Artemis III training courses.

ALT NASA astronauts Andre Douglas and Bob Hines participate in one of the first Artemis III training sessions.

ALT The Artemis III crew and backup sit inside a mockup of the Orion spacecraft at Johnson Space Center's Space Vehicle Mockup Facility.

ALT The Artemis III crew and backup look at the exterior of a mockup of the Orion spacecraft at Johnson Space Center's Space Vehicle Mockup Facility.

ALT ISS006-E-51456 (2003) --- Marias Islands, Mexico is featured in this image photographed by an Expedition Six crewmember on the International Space Station. The view shows the land-sea interactions along a section of Mexico's west coast just south of Mazatlan and the Isla Marias archipelago. The islands are a manifestation of intersecting plate boundaries -- the East Pacific Rise spreading center that traces south from the Gulf of California, and the subduction zone that consumes the Cocos plate beneath southern Mexico. These islands are biologically important: they comprise the Islas Marias Biosphere Reserve and contain endemic species of raccoons and rabbits, and important habitat for birds and marine life. Between the islands and the mainland, swirling surface currents are highlighted by the sun glint reflecting off the ocean surface. Along the Mexican coast, water flows out from a coastal lagoon, and near shore currents carry sediment (light colored water) along the beach front.

ALT ISS018-E-018129 (6 Jan. 2009) --- Atafu Atoll in the Southern Pacific Ocean is featured in this image photographed by an Expedition 18 crewmember on the International Space Station. At roughly eight kilometers wide, Atafu Atoll is the smallest of three atolls (with Nukunonu and Fakaofo atolls to the southeast, not shown) comprising the Tokelau Islands group located in the southern Pacific Ocean. Swains Island to the south (not shown) is also considered part of the Tokelau group. The political entity of Tokelau is currently a territory of New Zealand. In recent years, public referendums on independence within the islands have been held, but have not received sufficient support to move forward. The primary settlement on Atafu is a village located at the northwestern corner of the atoll ? indicated by an area of light gray dots in this photograph. The typical ring shape of the atoll is the result of coral reefs building up around a former volcanic island. Over geologic time, the central v

ALT ISS025-E-013475 (9 Nov. 2010) --- Parts of the Atlantic, Gulf of Mexico and Caribbean Sea are easily noted in this unusual circular shaped image exposed by one of the Expedition 25 crew members aboard the International Space Station 220 miles above Earth. A 16mm f/2.8D lens gives this image a fish-eye effect, and the frame of the Cupola window adds to the circular shape. The southern portion of the Florida peninsula, including the elongated metropolitan Miami area, Lake Okeechobee and the Florida Keys, lies just a few kilometers away from islands in the Bahamas chain and the "Tongue of the Ocean." Andros is the largest visible island to the left of center.

ALT ISS038-E-019899 (23 Dec. 2013) --- The Caribbean country of Cuba appears at the top of this high oblique image, photographed by one of the Expedition 38 crew members aboard the International Space Station. Andros Island, part of the Bahamas, is in the bottom of the frame. Cuba is an archipelago of islands in the northern Caribbean Sea at the confluence with the Gulf of Mexico and the Atlantic Ocean. A Russian Soyuz spacecraft is docked to the station.

ALT Venus is seen next to the crescent Moon, before the start of occultation, on Wednesday, June 17, 2026, from the Mary W. Jackson NASA Headquarters building in Washington. The Moon occulted, or passed in front of, Venus for the first of three time this year. Photo Credit: (NASA/Joel Kowsky)