Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The first full moon ...

The Cold Moon — the 12th and final full moon of 2024 — will rise on Sunday (Dec. 15). It will ascend higher into the night ...

Jamie Carter is an award-winning reporter who covers the night sky. Astronomers have discovered an Earth-mass planet very close to us. Known as Wolf 1069 b, the planet orbits a red dwarf star ...

The planets often cross paths on their journey around the Sun, but this conjunction is unusual Jupiter and Saturn have crossed paths in the night sky, appearing to the naked eye as a "double planet".