Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

Two supermoons — occurring when the full moon coincides with its closest approach to Earth — will close out 2026. At about 226,000 miles away, the moon appears larger and brighter than average, ideal ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Three supermoons will lighten up the night skies in 2026, the stunning result when a full moon inches closer to Earth than ...

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

Planetary alignments, a total lunar eclipse, and meteor showers are highlights to look for in the coming year.

Just days into the New Year, on January 6, NASA will begin spacewalks outside the International Space Station to prepare for ...