When NASA's Messenger probe finally entered orbit around Mercury, it discovered a world that is still geologically active.

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Located about 39 light-years from Earth, the TRAPPIST system resembles a miniature version of our solar system: The star, an ...

Mercury is a planet of impossible contradictions. It’s scorching hot, yet we’ve found ice at its poles. It’s small and barren ...

The moniker cold moon indicates that it’s the full moon event closest to the winter solstice, the shortest day of the year in ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention of scientists. This planet orbits the star within the "Goldilocks zone"—a ...

December’s full moon isn’t the brightest, but clear Northern Nevada skies should still offer a strong view of it.

Celestis selected Stoke for its aligned vision of sustainable, future-focused space exploration, and has engaged Ensemble to ...

Geminid meteor shower 2025 kicks off tonight with shooting stars amid a full moon rising. Here's where, when, what time, how to watch, best visibility ...

Jeffrey Epstein’s convicted sex trafficking associate Ghislaine Maxwell plans to represent herself in a new long-shot legal ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention of scientists, because it ...

Only 70 light-years from Earth, a star called Kappa Tucanae A hosts one of astronomy’s strangest mysteries. Around it swirls ...