Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 7 min read Sentinel-6B Extends Global Ocean Height Record Introduction On November 16, 2025, the Sentinel-6B satellite launched from Vandenberg Space Force Base (VSFB) in California. The [...]
NASA’s Artemis II Orion spacecraft with its launch abort system is stacked atop the agency’s SLS (Space Launch System) rocket in High Bay 3 of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Monday, Oct. 20, 2025. The spacecraft will carry NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA [...]
These two galaxies are named NGC 4490 and NGC 4485, and they’re located about 24 million light-years away in the constellation Canes Venatici (The Hunting Dogs). They are the closest known interacting dwarf-dwarf galaxy system where astronomers have observed the interactions between them, as well as been able to resolve the stars within.ESA/Webb, NASA & [...]
12 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) In 2025, NASA’s Armstrong Flight Research Center in Edwards, California, advanced work across aeronautics, Earth science, exploration technologies, and emerging aviation systems, reinforcing its role as one of the agency’s primary test sites for aeronautics research. From early concept evaluations to full flight test [...]
The four astronauts set to fly around the Moon during NASA’s Artemis II test flight depart the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida, during a dress rehearsal for launch day on Dec. 20, 2025. From left are CSA (Canadian Space Agency) astronaut Jeremy Hansen, NASA astronauts Victor Glover, Reid [...]
Explore This Section Perseverance Home Mission Overview Rover Components Mars Rock Samples Where is Perseverance? Ingenuity Mars Helicopter Mission Updates Science Overview Objectives Instruments Highlights Exploration Goals News and Features Multimedia Perseverance Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter [...]
3 Min Read Meet NASA’s Astronaut Class of 2025 – Webby Submission Teams are evaluating how to train for lunar surface operations during Artemis missions, in the Neutral Buoyancy Lab at Johnson Space Center in Houston. Credits: NASA NASA engineers are laying the foundation for the moonwalks the first woman and next man will [...]
Photo of the Day When the Moon is at its first quarter phase, the Sun rises along the Montes Caucasus as seen from the lunar surface. The lunar mountain range casts the magnificent, spire-like shadows in this telescopic view from planet Earth, looking along the lunar terminator or the boundary between lunar night and [...]
From left to right, NASA astronauts Jessica Meir and Jack Hathaway, ESA (European Space Agency) astronaut Sophie Adenot, and Roscosmos cosmonaut Andrey Fedyaev.Credit: NASA As part of NASA’s SpaceX Crew-12 mission, four crew members from three space agencies will launch no earlier than Sunday, Feb. 15, 2026, to the International Space Station for a long-duration [...]
NASA’s Johnson Space Center in Houston closed 2025 with major progress across human spaceflight, research, and exploration. From Artemis II mission preparations to science aboard the International Space Station, teams at Johnson helped prepare for future missions to the Moon and, ultimately, Mars. Orion Stacked for Artemis II, Orion Mission Evaluation Room Unveiled NASA’s Artemis [...]
