President Trump calling out the Dem senator from Arizona may raise the question: Who is Mark Kelly? Navy captain, astronaut, Gabby Giffords' spouse.
NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...
Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...
Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.
Key Takeaways An ancient wanderer from beyond our solar system adjusts its path with uncanny accuracy. Scientists spot a fine ...
Space on MSN
Watch Artemis 1's Launch, Return And Moon Views
Several cameras flew on the NASA's Artemis 1 mission delivering breathtaking views of launch, re-entry and the moon. See ...
NASA has released the highest-resolution images yet of the interstellar comet 3I/ATLAS, captured by the Mars Reconnaissance ...
New police logs contradict an official UFO dismissal after a U.K. helicopter crew reported an emergency dive to avoid a ...
“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor ...
Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.
NASA shares why its HiRISE photo of 3I/Atlas appears blurry, even as amateur astronomers release sharper comet images.
A quick look at Avi Loeb’s thoughts on NASA’s 3I/Atlas press event and the larger questions he believes remain open.
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