By Elizabeth Devitt Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

A striking new image from the James Webb Space Telescope shows a rare object called an Einstein ring. This shows what appears to be a ring-shaped object in the sky, but is actually created by two ...

A rare celestial event will make Saturn’s rings appear to disappear this weekend as Earth crosses their plane. This optical illusion, known as a ring plane crossing, occurs twice in Saturn’s 30-year ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

Pluto is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. Eris is the most ...

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