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EarthSky’s Will Triggs talks about the odd sphere in space. Video via EarthSky. Science matters. Wonder matters. You matter. Join our 2025 Donation Campaign today. Spherical objects are common in

View larger. | Artist’s depiction of laser signals from a star reaching Earth. The search for such signals is called optical SETI or LaserSETI. A recent search has found 2

Artist’s concept of a Dyson sphere. Dyson spheres are structures that would form rings or hollow spheres around stars and harness their energy. However, they would be unstable around a

View at EarthSky Community Photos. | Prashant Naik was at Joshua Tree National Park in California, when he captured this photo of 2 Perseid meteors and the Milky Way on

These are the orbits of 96 minor planets and extreme trans-Neptunian objects around the sun. On May 21, 2025, the Minor Planet Center announced a new minor planet in orbit

The Atacama Large Millimeter/submillimeter Array (ALMA) took this image showing the molecular gas content of a pair of galaxies involved in a cosmic collision. The galaxy on the right hosts

NASA’s James Webb Space Telescope obtained this view of Titan with blue, green and red filters on July 11, 2023. New observations by Webb and the Keck II telescope in

View larger. | Artist’s illustration of Quetzalpetlatl Corona, one of hundreds of coronae (volcano-tectonic features) on Venus. Scientists think coronae are locations where plumes of hot, buoyant material from the

For the 1st time, researchers have confirmed the presence of crystalline water ice in a dusty debris disk that orbits a sun-like star. They made the discovery using NASA’s James

The Juno spacecraft obtained the infrared images for this composite showing cyclones at Jupiter’s north pole in 2017. A new analysis of data from Juno revealed what Jupiter and Io