What a difference a year makes! Today Hera’s asteroid mission for planetary defence is cruising through deep space on the far side of the Sun, headed to its final destination: the
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Habitable Worlds Observatory — NASA This paper advances the concept maturity level (CML) of the Habitable Worlds Observatory (HWO) servicing architecture. Since servicing has occurred on other missions, this paper
Imagine standing beneath the vast expanse of the night sky, the cosmos unfurling before you in a spectacular tapestry of stars. The MEEZAA Telescope invites you on an exhilarating journey
NASA/JPL-Caltech Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods
ISOs like Comet 3I/ATLAS are fascinating yet fleeting visitors from distant solar systems. New research suggests that when captured by a young solar system that’s still forming planets, these objects
Astronomers have long sorted galaxies into types based on their visible structure. Spiral galaxies, like our Milky Way, have a flat disk, winding spiral arms and ongoing star formation. Ellipticals
Science & Exploration 07/10/2025 18648 views 48 likes The two Mars orbiters had the closest view of the comet of all ESA spacecraft. During its closest approach to the Red
Onlookers were dazzled on the night of Oct. 16 when a bright green fireball blazed earthward in the skies over several Eastern Seaboard U.S. states, leaving a short-lived glowing trail
Known exoplanets from the NASA Exoplanet Archive in terms of their mass and orbital period. Triangle and circle point markers represent minimum and true masses, respectively. The larger green markers
Scientists have discovered that Mars has an interior structure similar to Earth’s. Results from NASA’s InSight mission suggest that the red planet has a solid inner core surrounded by a
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