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Radar Observations Reveal New Clues about Europa’s Hidden Interior

17 June 2026 at 19:57

This artist’s impression shows radar waves from NASA’s Goldstone Solar System Radar pinging Europa; the radar waves penetrate Europa’s icy surface before bouncing back to be collected by NSF’s Green Bank Telescope on Earth. Image credit: NSF / AUI / NSF’s NRAO / P.Vosteen.

Using NASA’s Goldstone Solar System Radar and NSF’s Green Bank Telescope, astronomers from the University of California, Los Angeles, confirmed that the icy surface of Jupiter’s moon Europa scatters radio energy in an unusually strong and complex way not seen on rocky worlds.

The post Radar Observations Reveal New Clues about Europa’s Hidden Interior appeared first on Sci.News: Breaking Science News.

Astronomers Scan Interstellar Object 3I/ATLAS for Alien Radio Signals

Sci.News

By: Enrico de Lazaro

9 June 2026 at 17:50

This image from the Subaru Telescope shows the interstellar comet 3I/ATLAS. Image credit: NAOJ.

Using the SETI Institute’s Allen Telescope Array, a 42-element radio interferometer at Hat Creek Radio Observatory in Hat Creek, California, astronomers probed 3I/ATLAS for artificial radio transmissions but found only human-made interference.

The post Astronomers Scan Interstellar Object 3I/ATLAS for Alien Radio Signals appeared first on Sci.News: Breaking Science News.