First detected in 2004, the dwarf planetHaumeaquickly stood out due to its rapid rotation and elongated form. But the 2017 discovery of a ring system around it added a new level of complexity to an ...

A rendering of Ring’s new Mobile Security Trailer deployed in a parking lot, showing its solar-powered base and 360-degree camera designed to monitor commercial sites such as retail centers, ...

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

The first solar eclipse of the year will take place on Feb. 17, 2026.

Weather Does a ring around the moon always mean rain, snow is coming? Halos or rings around the moon often form due to high clouds ahead of a storm system.

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...