Spacecraft and Rovers
42 reportsInterpretation of spacecraft bus is tested with power system and thermal control. The discussion therefore addresses which instruments collect data and how commands reach spacecraft, separating design goals from performance demonstrated in operation.
Astranis Unveils Perceptor Satellites to Track Activity in Geostationary Orbit
Astranis has announced the development of Perceptor satellites designed to monitor and analyze spacecraft movements in geostationary orbit, a region increasingly important for communications and national security
Space Station Research Advances Artemis Moon and Mars Missions
NASA's International Space Station experiments in 2026 are testing technologies and studying astronaut health to support future Artemis missions to the Moon and Mars, with new results informing spacecraft design and deep space exploration
NASA Expands Student Access to Space Missions and STEM Careers
NASA is opening new opportunities for students to participate in authentic mission experiences, technical career exploration, and citizen science, as the agency prepares for major launches and ongoing lunar and space station operations
NASA's SkyFall Mars Helicopters to Map Subsurface Ice with Flexible Radar
NASA's upcoming SkyFall mission will deploy three mini helicopters to Mars, each equipped with lightweight, flexible radar antennas designed to detect shallow subsurface ice deposits inaccessible to orbiting spacecraft
NASA Extends Voyager 2 Science With Power-Saving Maneuver
NASA engineers have implemented a new power management strategy on Voyager 2, allowing the spacecraft to continue collecting scientific data for at least another year as its nuclear power source declines
NASA Astronauts Complete Spacewalk to Prepare ISS for Solar Array Upgrade
NASA astronauts Jessica Meir and Anil Menon spent 6.5 hours outside the International Space Station installing the final mounting hardware for new roll-out solar arrays, a step toward boosting the station's power supply later this year
Perseverance Rover Captures Earth Passing Behind Mars' Moon Phobos
NASA's Perseverance rover has recorded a rare occultation event, imaging Earth as it briefly disappeared behind Mars' innermost moon Phobos using its Mastcam-Z camera system
NASA Joins Artemis III Orion Crew and Service Modules for Lunar Mission
Technicians at Kennedy Space Center have integrated the Orion crew and service modules for Artemis III, a key milestone ahead of the mission to test lunar landing system rendezvous and docking in lunar orbit
NASA's Juno Mission Transformed Jupiter Science After 2011 Launch
NASA's Juno spacecraft, launched in 2011 on an Atlas V rocket, reached Jupiter in 2016 and has since delivered unprecedented data and images, reshaping our understanding of the giant planet's atmosphere, magnetic field, and moons
Curiosity Rover Detects Extensive Polygon Patterns in Martian Valley
NASA's Curiosity rover has imaged a vast field of honeycomb-like polygonal fractures in Mars' Valle Grande, raising new questions about the planet's surface processes and past water activity
SpaceX Launches Three BlueBird Satellites for Direct-to-Cell Network
A Falcon 9 rocket is set to deploy three AST SpaceMobile BlueBird satellites from Cape Canaveral, expanding a low Earth orbit constellation designed to deliver broadband directly to standard smartphones.
Spirit Rover Data Reveals Widespread Ancient Water Activity on Mars
A new analysis of NASA's Spirit rover data has identified crystalline hematite and altered magnetite in Martian soil, supporting the view that liquid water once shaped large regions of Mars
Why Real Space Salvage Cannot Work Like Hardspace: Shipbreaker
Hardspace: Shipbreaker turns derelict spacecraft into profitable scrap, but ESA's ClearSpace-1 shows why real debris removal must avoid fragmentation, stabilize tumbling targets, and control reentry
Apollo 15's Moon Liftoff Became Television's First From Another World
On Aug. 2, 1971, Apollo 15 transmitted the first live television view of a spacecraft leaving the moon, using a rover-mounted camera that revealed both the mission's ingenuity and its limits
Starship Captured on Video by a Starlink V3 Satellite
A camera-equipped Starlink V3 satellite recorded SpaceX's Starship upper stage after Flight 13, offering an unusual view of the vehicle's engines, thrusters and separation in space
Apollo 15's Lunar Rover Turned Moonwalking Into Exploration
Apollo 15's Lunar Roving Vehicle gave astronauts their first way to travel extensively across the moon's surface, extending scientific exploration beyond the immediate landing site in July 1971
SpaceX Rocket Stage to Impact Moon, Raising New Scientific Questions
A spent SpaceX Falcon 9 upper stage is set to collide with the lunar surface on August 5, offering researchers a rare opportunity to observe the effects of artificial impacts on the Moon using telescopes and orbital instruments
Salyut 6 Space Station Deorbited After Five Years in Orbit
The Soviet Salyut 6 space station, operational since 1977, was deliberately deorbited on July 29, 1982, after supporting multiple long-duration missions and pioneering new space station technologies
SpaceX Starship Remains Afloat in Indian Ocean After Test Splashdown
SpaceX's Starship Version 3 upper stage was photographed floating intact in the Indian Ocean five days after its July 24 flight test, offering a rare look at the vehicle's post-splashdown condition and raising questions about rapid reusability
NASA's Swift Boost Mission Faces Setback After Spacecraft Malfunction
NASA's Swift Boost mission, launched to extend the life of the Neil Gehrels Swift Observatory, has encountered a critical control issue with its LINK spacecraft, raising uncertainty about the planned orbital rescue operation
NASA Astronaut Chris Williams Completes First ISS Mission After Eight Months
NASA astronaut Chris Williams has returned to Earth after spending eight months aboard the International Space Station, supporting scientific research and technology upgrades during Expedition 74
Viking 1's First Mars Surface Image Revisited on 50th Anniversary
NASA has released the original images captured by Viking 1 after its 1976 Mars landing, offering a detailed look at the Red Planet's surface and the mission's scientific legacy
Soyuz MS-28 to Return NASA and Roscosmos Crew from ISS July 26
NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev are scheduled to depart the International Space Station aboard Soyuz MS-28, with landing expected in Kazakhstan on July 26
NASA's ESCAPADE Spacecraft Captures Earth and Moon in Dual Light
NASA's ESCAPADE mission has imaged Earth and the Moon in both visible and thermal infrared light, providing a rare calibration opportunity for its cameras as the spacecraft prepares for its journey to Mars
Expedition 74 Crew Begins Science Operations on International Space Station
Expedition 74 astronauts Anna Kikina, Pyotr Dubrov, and Anil Menon have joined the International Space Station, starting an eight-and-a-half-month mission focused on microgravity research and operational adaptation
NASA Astronaut Chris Williams Ends ISS Mission After Eight Months
Chris Williams is set to return from his first mission aboard the International Space Station, where he supported experiments on cancer therapies, semiconductor materials, and robotic systems during an eight-month stay
NASA Moves Artemis IV Hydrogen Tank for Core Stage Testing
A 130-foot liquid hydrogen tank for Artemis IV was transported at NASA's Michoud Assembly Facility, marking a key step toward core stage testing for the Space Launch System rocket
Artemis IV Landing Debate: South Pole or Lunar Equator for Crew Safety
NASA's Artemis IV mission faces a critical decision: whether to target the moon's challenging south pole or opt for a safer equatorial landing, as astronaut Victor Glover urges a reassessment of mission priorities and safety constraints
NASA's Psyche Spacecraft Uses Mars Flyby to Refine Asteroid Trajectory
NASA's Psyche probe has completed a close flyby of Mars, capturing a time-lapse sequence and using the planet's gravity to adjust its course toward the metal-rich asteroid Psyche, its target for arrival in 2029
NASA to Equip Artemis III Orion with Starlink Laser Terminals
NASA will install SpaceX Starlink laser communication terminals on the Artemis III Orion spacecraft, aiming to boost high-definition video and data transmission capabilities during the mission scheduled for 2027
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