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ALT This composite shows a wide view of supernova remnant G306.3–0.9, placing it in context with star-formation regions in southern Centaurus. Chandra X-ray observations (blue), Spitzer infrared data (red, cyan), and radio observations (purple) from the Australia Telescope Compact Array are merged in this composite. The image is one degree across, which corresponds to 450 light-years at the remnant's estimated distance. Credit: X-ray: NASA/CXC/Univ. of Michigan/M. Reynolds et al; Infrared: NASA/JPL-Caltech; Radio: CSIRO/ATNF/ATCA

ALT This artist’s concept depicts a possible explanation for the unusual chemical abundances NASA’s Hubble Space Telescope detected in the HS 0209+0832 system: a second-generation planet orbiting the white dwarf star. The white dwarf is the “dead” core of a star that burned through all of its nuclear fuel and lost its outer envelope of gas and dust to space. The second-generation planet formed from that cast-off gas and dust, which is why its chemical content is very different from a planet that formed as its host star was forming. The white dwarf is still hot and is blasting the planet with radiation, causing it to lose atmosphere to space. That atmospheric material is flowing back toward the white dwarf, forming a disk and then falling back onto its surface, which is how Hubble detected the planetary chemical signatures when studying the star. Artwork: NASA, ESA, Leah Hustak (STScI)

ALT Engineers with NASA’s Exploration Ground Systems complete integration of the aerodynamic nose cones onto the left and right forward segments on the twin SLS (Space Launch System) solid rocket boosters, finishing their stacking operations for Artemis III inside the Vehicle Assembly Building’s High Bay 3 at NASA’s Kennedy Space Center in Florida on Wednesday, Sept. 30, 2026. Each forward assembly contains an aerodynamic top, a forward skirt housing avionics, and frustum housing motors that allow the boosters to separate from the SLS core stage after launch. The twin solid boosters will help support the remaining rocket components and the Orion spacecraft during final assembly of the Artemis III rocket and provide more than 75 percent of the total SLS thrust during liftoff from NASA Kennedy’s Launch Pad 39B. Photographer:NASA/Cory S Huston

ALT This is a composite image of a remarkable radio wave formation that strongly resembles a treble clef musical symbol, hovering in the midst of two colliding galaxy clusters. Here, galaxies in the galaxy clusters, plus foreground and background stars and galaxies, blanket the image with specks of light set against the blackness of space. At the center of the frame is a large, oval, blue-purple cloud with ragged edges. In the middle of the purple field, tilting slightly to our left, is what appears to be a giant treble clef, loosely drawn with a neon pink marker. Like the musical notation for which it's named, the formation has a strong vertical stroke with a continuous, fluid line swooping back and forth as it moves from top to bottom.

ALT On an abstract purple space-inspired background, illustrations of 11 space telescopes form the shape of a heart around another. Each telescope is shaded in a monochrome blue palette, and they have a variety of different shapes and features. These spacecraft are not depicted to scale. Credit: NASA

ALT A spiral galaxy viewed from its side, featuring a giant halo of hot gas blowing out of its stellar disk. X-rays from Chandra and ESA’s XMM-Newton (purple and royal blue) trace hot gas driven out by supernovas and black holes and neutron stars pulling gas from their companions, while optical light (light blue, gold and white) from ground-based observer R. Jay GaBany showcases dense dust lanes. Edge-on views of galaxies allow astronomers to study how flat their stellar disks are and provide the clearest views of material located above or below the disk. Image Credit: X-ray: NASA/CXC/SAO; Optical: ©2011-2015 by R Jay GaBany, Cosmotography.com; Image Processing: NASA/CXC/SAO/L. Frattare

ALT A composite image of a remarkable radio wave formation that strongly resembles a treble clef musical symbol, hovering in the midst of two colliding galaxy clusters. Here, galaxies in the galaxy clusters, plus foreground and background stars and galaxies, blanket the image with specks of light set against the blackness of space. At the center of the frame is a large, oval, blue-purple cloud with ragged edges. In the middle of the purple field, tilting slightly to our left, is what appears to be a giant treble clef, loosely drawn with a neon pink marker. Like the musical notation for which it's named, the formation has a strong vertical stroke with a continuous, fluid line swooping back and forth as it moves from top to bottom.

ALT This close-up photo shows the engineering development unit for NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) probe. It was photographed prior to a major thermal evaluation, where the DAVINCI team proved it could insulate the instruments the probe will carry from the intense heat of Venus. NASA/Mike Guinto

ALT The SpaceX Crew Dragon Freedom spacecraft is seen moments before splashing down in the Pacific Ocean off the coast of California in this Oct. 8, 2026, photograph. Aboard were NASA’s SpaceX Crew-12 members NASA astronauts Jessica Meir and Jack Hathaway, ESA (European Space Agency) astronaut Sophie Adenot, and Roscosmos cosmonaut Andrey Fedyaev. The four spent nearly eight months aboard the International Space Station. Image credit: NASA/Keegan Barber

ALT In this 480-second long exposure photograph, a SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft launches on NASA’s SpaceX CRS-35 mission to the International Space Station and its first stage returns to land at Landing Zone 40, Tuesday, Oct. 13, 2026, as seen from Cocoa Beach, Florida. The mission lifted off at 6:33 a.m. EDT from Space Launch Complex 40 at Cape Canaveral Space Force Station, carrying scientific investigations, supplies, and equipment to the orbital outpost on SpaceX’s thirty-fifth commercial resupply services mission for NASA. The rocket’s exhaust plumes, illuminated by sunlight against the predawn sky, were visible across the eastern United States. Photo Credit: (NASA/John Kraus)

ALT Voyager Technologies’ Griffin-1 lunar lander is suspended in front of the open 25-Foot Space Simulator at NASA’s Jet Propulsion Laboratory as technicians in clean-room garments guide and position the spacecraft. The large thermal vacuum chamber rises behind the lander, with an American flag hanging beside the entrance. Credit: NASA/JPL-Caltech

ALT Artist’s concept of a star and its debris disk against the black background of space. The star is in the background, right of center, and depicted as a small, luminous sphere. The debris disk is a large blue ring that encircles the star. The debris disk is angled toward the viewer, so that the portion nearest to the viewer extends beyond the bottom frame of the illustration. Many dark, rocky fragments are scattered throughout the debris disk. In the foreground, toward the left, is a small planetary embryo colliding into the left side of a larger spherical object. The impact site glows bright yellow and orange and has a mottled appearance, as though chunks of both colliding bodies are breaking up and being destroyed. Orange-yellow streams of vapor extend outward from the collision area. Behind the debris disk and its star are many small stars in the background. A label in the bottom right corner reads “Artist’s Concept.”

ALT An image from NASA’s Hubble Space Telescope of galaxy cluster MACS J0417 is part of repeated observations to monitor for the reappearance of supernova Athena, which can help astronomers measure the expansion rate of the universe. NASA, ESA, STScI, M. Pascale (UCLA); Image Processing: J. DePasquale (STScI)











