The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

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Astronomers have discovered that some repeating fast radio bursts come from binary star systems, not lone stars. FRB 220529A’s unusual signal reveals how magnetars and plasma flares create cosmic ...

A distinctive curved marking etched into the Moon’s surface comes into sharp relief this week as winter darkness, crisp air ...

NASA’s Lucy spacecraft flew by asteroid Dinkinesh and made a surprising discovery, a close binary! Preliminary statistics ...

Sky This Week is brought to you in part by Celestron. Friday3Pluto reaches conjunction with the Sun at 5 A.M. EST. Also this morning, the Moon passes 4° north of Saturn at 8 A.M. EST and passes 4° ...

NGC 7331, the sight of supernova SN2025rbs, imaged by George Gheirchi (US).

An artist’s conception zeroes in on a main-belt asteroid called 2025 MN45, which makes a full rotation in less than two minutes. (Credit: NSF-DOE Vera C. Rubin Observatory / NOIRLab / SLAC / AURA / P.

Add Yahoo as a preferred source to see more of our stories on Google. It’s a big universe out there—13.8 billion years old, full of hundreds of billions of star-and-planet-packed galaxies and, out ...

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention asteroids. That’s easy to understand. The typical asteroid lacks the jaw ...