Comet 67P/Churyumov-Gerasimenko — ESA Cometary comae are a mixture of gas and ice-covered dust. Processing on the surface and in the coma change the composition of ice on dust grains
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Rocket Lab’s proposed acquisition of Mynaric faces sovereignty test
MOUNTAIN VIEW, Calif. — Fresh questions are emerging over Rocket Lab’s proposed acquisition of German laser communications firm Mynaric as Europe doubles down on its push for domestic space and
Very High Precision Astrometry for Exoplanets and Dark Matter with the Habitable Worlds Observatory
A possible Focal Plane dedicated instrument for HWO. Upper left panel: HWO telescope configuration for Exploratory Architecture Concepts) EAC1. Upper right panel : location of the focal plane and the
Orbitally-Driven Nutrient Pulses Linked to Early Cambrian Periodic Oxygenation and Animal Radiation
Solar forcing approximation in the SCION model. (a) Comparison of solar insolation at 65°N with air temperature variations over 40–80°N in the past 1,500–2,450 kyr. (b) A cross plot of
Abstract Submission Deadline Extension Second Workshop on Ices in the Solar System
Workshop on Ices in the Solar System January 5–7, 2026Montreal, Canada The Second Workshop on Ices in the Solar System: A Volatile Excursion from Mercury and the Moon to the
Adjustment to Meeting Dates Venus Exploration Analysis Group (VEXAG) Meeting
November 6–7, 2025Niagara Falls, New York Due to impacts from the government shutdown, the meeting dates for the VEXAG November 2025 meeting, initially scheduled for November 5–7, 2025, have been
SpaceX launches fourth Bandwagon rideshare mission
WASHINGTON — SpaceX launched the fourth in its series of rideshare missions to mid-inclination orbits Nov. 2, carrying payloads that included technology demonstration satellites for space stations and orbital data
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Maximal (red) and minimal (blue) atmospheric heating factor vs instellation, for three values of the heat redistribution parameter: f = 0.2 (solid), 0.5 (dashed), and 1 (dotted). The locations of
Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. ORLANDO, Fla. — The U.S. military is increasingly turning to commercial satellite
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA’s Perseverance Mars rover used its right-front navigation camera to capture this first view over the rim of Jezero
1 Min Read 2024 NESC Technical Update Annual Report of NESC Technical Activities On behalf of the NASA Engineering and Safety Center (NESC), I am pleased to provide you with
A visualization of starspots on the red giant star XX Trianguli. The size of the sun is shown on the left for comparison. Image via HUN-REN RCAES/ Zs. Kovári, MOME/
Polaris Dawn Commander Jared Isaacman sits down with Matt Anderson, the chief growth officer for the Space Force Association, during the second annual Spacepower Conference to discuss human spaceflight. Image:
View larger. | Artist’s concept of AR Scorpii, a binary star system made up of a red dwarf and a white dwarf. A system like this might be the source
The excitement is palpable at Kennedy Space Center (KSC) as preparations for the highly anticipated Starship launches ramp up significantly. At Pad 39A, the heart of SpaceX’s operations in Florida,
Lucy’s second slingshot of Earth. The Lucy spacecraft will perform its second Earth gravity assist on December 12, 2024. Video via NASA Goddard. Our planet Earth will give NASA’s Lucy
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