A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

Chinese scientists propose 2033 Neptune orbiter mission Scientists are proposing China’s first ice giant mission, aiming to ...

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.