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  • NASA Discovers Interstellar Comet Moving Through Solar System

    Black and white star field with a red inset showing a close up view with orange crosshairs around a tiny white dot, representing the interstellar comet.

    On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations of a comet that originated from interstellar space. Arriving from the direction of the constellation Sagittarius, the interstellar comet has been officially named 3I/ATLAS. It is currently located about 420 million miles (670 million kilometers) […]

  • NASA’s Lucy Mission Provides Full View of Asteroid Donaldjohanson

    Two side-by-side grayscale images of an irregularly shaped object against a black background. Each has an elongated, peanut-shaped body with a narrower section on the left and wider section on the right. The surface appears rough and cratered with visible light and shadow areas highlighting their textured surfaces.

    Scientists with NASA’s Lucy mission continue to analyze data collected during the spacecraft’s April 20 encounter with the main-belt asteroid Donaldjohanson. The images below were taken by the spacecraft’s L’LORRI imager a few minutes before its closest approach. This successful dress rehearsal gives the team high confidence that both the spacecraft and the team are […]

  • An Update from the 2025 Mars 2020 Science Team Meeting

    A group of four scientists, members of the Mars 2020 Science Team, are examining a rocky, outdoor area that appears to be a geological site. In the foreground, the ground is covered with loose rocks and dirt. Trees are visible in the background under a bright sky.

    The Mars 2020 Science Team gathered for a week in June to discuss recent science results, synthesize earlier mission observations, and discuss future plans for continued exploration of Jezero’s crater rim. It was also an opportunity to celebrate what makes this mission so special: one of the most capable and sophisticated science missions ever sent […]

  • Crews Fill Day With Muscle, Heart, and Brain Research Before Cargo Mission Swap

    The seven-member Expedition 73 crew wrapped up a weekend of housecleaning and relaxation then kicked off Monday with muscle and brain research aboard the International Space Station. Their Axiom Mission 4 (Ax-4) counterparts worked throughout the weekend and began the week taking a closer look at muscle cells and exploring brain computer interfaces. The public and private biology studies complement each other while the research data and hardware are supported by different organizations.

  • NASA Extends Efforts to Recontact Lunar Trailblazer Until Early July

    NASA has extended recovery efforts of its Lunar Trailblazer spacecraft from mid-June to early July. Updated modeling of the spacecraft’s trajectory by the mission team indicates lighting conditions will continue to be favorable and may provide enough sunlight for the spacecraft’s solar panels to recharge its batteries to an operational state and turn on its […]

  • Successful Liftoff, Signal Acquired for NASA’s Arcstone Satellite

    NASA’s Arcstone lunar calibration instrument lifted off aboard a SpaceX Falcon 9 launch of the Transporter-14 rideshare mission from Vandenberg Space Force Base in California at 2:25 PDT on June 23, 2025. Blue Canyon Technologies, which operates the spacecraft, established the first contact with Arcstone, and testing and commissioning are ongoing. Continue to follow NASA’s […]

  • Ax-4 Meets Expedition 73 and Begins Space Research

    11 residents are living and working aboard the International Space Station today following the docking of Axiom Mission 4 (Ax-4) at 6:31 a.m. EDT on Thursday. The seven Expedition 73 crew members welcomed the four Ax-4 astronauts and are now helping them get up to speed with orbital lab systems and prepare for two weeks of microgravity research.