Galaxy NGC 646 sparkles like a cosmic holiday garland in this new image from the European Space Agency’s Euclid space telescope. This large barred spiral galaxy is located in the
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NASA's DART Mission Also Changed Didymos' Orbit Around Sun
The spacecraft changed the binary system’s orbit, confirming that a kinetic impactor can be an effective planetary defense technique for deflecting a near-Earth object.
Dragonfly Astrobiology Mission Begins Rotorcraft Integration, Testing Stage
From left, Carlisa Drew, Seth Harvey, Anthony Fanelli, Emory Toomey and TJ Lee conduct power and functional testing on Dragonfly’s Integrated Electronics Module (IEM) and Power Switching Unit (PSU) in
Motional Induction In Ganymede’s Ocean
Status Report astro-ph.EP March 14, 2026 Numerical ocean-induction setup for Ganymede in a deep-ocean scenario with Re m = 1.77. Ganymede’s internal structure is depicted, featuring the ice crust, the
Do Extreme Environments Shape Microbial Genomes?
Graphical abstract — University of Waterloo Evolutionary biologists have long known that DNA, the molecule that carries the genetic instructions for the development, functioning, growth and reproduction of all organisms,
Interstellar Object 3I/ATLAS Observed from Mars by China’s Tianwen-1 Spacecraft
Stacked images of 3I/ATLAS acquired by HiRIC CMOS camera onboard Tianwen-1 spacecraft (upper row) and the corresponding 1/ρ divided images (lower row) from the three epochs. All images are displayed
Oxygenated False Positive Biosignatures in Mars-like Exoplanet Atmospheres
Mars-like Exoplanet — Grok via Astrobiology.com Oxygen is a well-studied biosignature. Studying potential abiotic pathways for O2 build-up in exoplanet atmospheres is essential for evaluating whether the detection of O2
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One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss out whether or not they could potentially support
In the quarter century that humans have lived and worked aboard the International Space Station, astronauts and visitors from around the world have celebrated countless holidays more than 250 miles
HELSINKI — Japan’s flagship H3 rocket suffered an issue with its second stage late Sunday resulting in the loss of the Michibiki 5 (QZS-5) navigation satellite. The H3 rocket lifted
Japan’s space agency said its H3 rocket carrying a navigation satellite failed to put the payload into a planned orbit, a setback for the country’s new flagship rocket and its
The final week of 2025 is poised to be action-packed within the scope of space exploration, with nine launches planned across various global launch sites. Notably, only one mission will
Enter the cosmos with “Merlin’s Tour of the Universe,” a captivating journey through the celestial wonders that ignite our imaginations and fuel our curiosity. This revised and updated edition for
A stunning new image captured by the European Space Agency’s Euclid space telescope showcases the barred spiral galaxy NGC 646, resembling a celestial decoration against the backdrop of space. Located
How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my research would eventually lead me to ask a question about
During November 2025, ESA’s Jupiter Icy Moons Explorer (JUICE) used five of its science instruments to observe 3I/ATLAS. The instruments collected information about how the comet is behaving and what
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