Plot of the Habitable Zone (HZ) completeness as a function of host star luminosity (in units of Solar luminosity) and distance (in parsecs). Here the AYO results are on the
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Earliest, hottest galaxy cluster gas could upend models
Artist’s impression of a galaxy cluster forming in the early universe. These are active galaxies, with radio jets spewing abundant hot gas into the space between the cluster members. This
Ganges Delta Under a Winter Shroud of Fog
Earth Observatory Science Earth Observatory Ganges Delta Under a Winter… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth
Crew-11 to cut mission short and return to Earth due to medical issue
Crew 11 during training before launch last August (left to right): Cosmonaut Oleg Platonov, NASA astronaut Mike Fincke, Crew 11 commander Zena Cardman and Japanese astronaut Kimiya Yui. Image: NASA
Medical issue prompts early return of Crew-11 from ISS
PHOENIX — NASA has decided to bring home four members of the International Space Station crew because of a medical issue with one of them, the first time NASA has
APPLICATIONS OPEN FOR COHORT 4 OF SDA TAP LAB – CATALYST CAMPUS MINI ACCELERATOR
Catalyst Campus is proud to announce they are now accepting applications for Cohort 4 of the SDA TAP Lab – Catalyst Campus Mini Accelerator, a high-impact accelerator program designed to
Roman Space Telescope on track for September launch
PHOENIX — NASA expects to launch the Nancy Grace Roman Space Telescope as soon as September, citing the mission as evidence the agency can do flagship major science missions on
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NASA/Zena Cardman In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, conducted inside the Microgravity Science Glovebox (MSG) aboard the
Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of these bursts are observed to flash and fade within
Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In a matter of hours, the gravitational monster whipped up powerful winds, flinging
Even most rocket scientists would rather avoid hard math when they don’t have to do it. So when it comes to figuring out orbits in complex three-body systems, like those
Using the James Webb Space Telescope (JWST), an international team of astronomers has observed an elliptical galaxy known as NGC 4486B. Results of the observational campaign, published Dec. 16 on
Ready for another amazing year of skywatching? 2025 was a wild year, with a steady parade of comets knocking on naked eye visibility, and one extra special interstellar comet, 3I/ATLAS.
Imagine a year filled with the breathtaking beauty of the universe, captured through the lens of humanity’s most advanced telescope—the James Webb Space Telescope. This 2026 Astronomy Wall Calendar invites
View larger. | Artist’s illustration of the Cassini spacecraft during a flyby of Titan. Previous analysis of data from Cassini suggested Titan had a global ocean of water beneath its
An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope (JWST), detecting a supernova—the explosive death of a massive star—at
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