SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.

Created from debris trails from Halley’s Comet, the eta Aquariids can be seen from both the Northern and Southern Hemispheres ...

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

The first total lunar eclipse in more than two years lit up the sky last night as humanity, forever fascinated with the Earth ...

In the Americas alone more than one billion people in 35 countries could bear witness to the total lunar eclipse.

Blue Ghost just sent back amazing photos of last night's "Blood Moon" total lunar eclipse from its perch in Mare Crisium, or ...

A total lunar eclipse will turn the full moon red on Thursday evening and Friday morning across the Western Hemisphere, depending on where you live.

An Eastern Kentucky University professor says the total lunar eclipse overnight could increase interest in rare celestial happenings.

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Eclipses always come in pairs, meaning a solar eclipse will follow a few weeks after the total lunar eclipse. The next ...

Americans will have to stay up late or get up really early this week to see the latest celestial event – a total lunar eclipse. The Sun, Earth, and Blood Moon will align on Thursday night and Friday ...

A total lunar eclipse will make the moon appear red across the Western Hemisphere during the "Blood Worm Moon" this week.