Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...

It'll be an active sky over several days in August 2025, with planets visible, meteor showers and nebulas popping up. Here's your handy guide for PA.

Early risers are in for a spectacular show next week, when Jupiter, Venus and Mercury form a planetary lineup in the predawn ...

Saturn and Neptune reach opposition, looking their best for the year. Jupiter and Venus shine bright before dawn, as does the zodiacal light.

The morning sky boasts the two brightest planets. Jupiter rises soon after midnight and is well up in the south-southeast sky ...

Now it’s time to plot your September stargazing. Here’s what to watch for in the night sky this month.

In this edition of WTOP’s monthly space feature, “What’s up in the sky?” Greg Redfern tells you how to see the moon, planets, stars and Perseid meteor shower.

Jupiter and Venus appear to be very close together in the night sky, with the two planets passing each other in what's known as a conjunction.

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8.