NASA/Goddard/APL/SwRI | edited by Steve Spaleta ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

Parts of the Americas was treated to a Total Lunar Eclipse (also known as a "blood moon") in March. Credit: NASA/JPL-Caltech ...

There will be several chances to see the shadow of Saturn's largest moon, Titan, pass across the ringed planet's Earth-facing ...

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight.