On Sept. 21, Earth will find itself in between Saturn and the Sun. Here's everything you need to know about this astronomical ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox marks the start of the fall season for the Northern Hemisphere and the spring in ...

Roughly every 378 days, Saturn swings into opposition, appearing up to 30% brighter and staying visible from dusk until dawn. The night sky is full of quiet wonders, but once a year Saturn steps into ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox ...

Though it may not feel like it in Texas, the fall season is upon us! Here's when shorter days will arrive ahead of winter.

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...

September will have a trio celestial conjunction. Here's how to see the moon and Venus together in Arizona and upcoming alignments.