181–200 of 2,482 results
Jupiter Aldebaran and Orion in December 2024

Sky Tour Astronomy Podcast

December Podcast: Jupiter Leads the Way

It’s going to be a fun month for planet-watching, and you can count on the month’s Sky Tour episode to tell you where and when to catch the five “wandering stars” that you can see by eye. Even better, this month fetures what is arguably the best meteor show of the year. Listen now!

The crescent Moon shines with Venus in twilight Dec. 4, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, November 29 – December 8

This Wednesday evening, the crescent Moon will beautifully partner with Venus. And, for these next two weeks we get the earliest sunsets of the year.

Observing with 20-inch Dob

Celestial Objects to Observe

Hunting Dwarf Galaxies in the Sooner State

A dark-sky quest leads to encounters with two Milky Way companion galaxies and other dim delectables.

Venus and sinking Mercury in twilight, Nov. 22, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, November 22 – December 1

Last call for Mercury! On the opposite side of the sky, Jupiter and Mars climb up ever earlier. And the waning crescent Moon occults Spica for eastern and central North America.

Venus and fainter Mercury in twilight in the middle weeks of November 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, November 15 – 24

Venus and Mercury continue as a duo in the western twilight this week. The Moon visits Jupiter, then Mars. Saturn shines lonely below the Great Square.

Spica reappearance Chicago

Celestial Objects to Observe

Watch the Moon Occult the Pleiades, Spica too!

The Moon crosses the Pleiades this week, then heads east for the year's most dramatic Spica occultation.

Venus and fainter Mercury in twilight in the middle weeks of November 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, November 8 – 17

The stars betray that we've tipped from the season of warm evenings to the cold (or at least crisp). And the Moon this week skims Saturn, then the Pleiades.

Catch the thin crescent Moon paired with Venus in Monday's twilight (Nov. 4, 2024)

This Week's Sky At a Glance

This Week's Sky at a Glance, November 1 – 10

The thin crescent Moon pairs beautifully with Venus low in Monday's twilight. And be on the lookout for any Taurid fireballs this week!

Cassiopeia & company

Sky Tour Astronomy Podcast

November Podcast: Cassiopeia & Company

November’s night skies feature a cluster of prominent constellations led by a celestial queen. Our guided audio tour tells you how to identify them, along with tips for spotting all five bright planets and three meteor showers.

Perseus constellation art

Celestial Objects to Observe

Meet Algol, the Demon Star

Meet Algol, a "winking" eclipsing binary star that glares out from the constellation Perseus.

PG 1634+706 quasar

Celestial Objects to Observe

Find a Quasar in the Sky Tonight and Time Travel to the Early Universe

Travel to the faraway and long ago by riding a quasar's beam.

Venus and Antares in conjunction, Oct. 25, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, October 25 – November 3

Fading Comet Tsuchinshan-ATLAS poses high in a moonless sky for its fans with binoculars and telescopes, even as we wave farewell for at least a hundred thousand years, maybe forever. Meanwhile four brighter, more permanent members of the solar system await attention.

C/2023 A3 with ion tail Oct. 19

Celestial Objects to Observe

Grab Comet Tsuchinshan-ATLAS by the Tail

We check in with the brightest comet of the year and see what's next, plus an update on Comet ATLAS (C/2024 S1), which still shows signs of life.

Venus, Antares and the head of Scorpius low in twilight, Oct. 18, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, October 18 – 27

Comet Tsuchinshan-ATLAS fades and shrinks as it rises high into a darker sky. Venus passes Antares. The waning Moon passes the Pleiades, Jupiter, and Mars. Arcturus becomes the Ghost of Summer Suns.

C/2023 A3 Oct 13

Solar System

Comet Tsuchinshan-ATLAS Climbs, Brightens and Delights!

Treat yourself to a comet bright enough to see plainly even in moonlight. Tsuchinshan-ATLAS beckons at dusk!

C/2023 A3 Sept 30, 2024

Celestial Objects to Observe

Get Ready for Comet Tsuchinshan-ATLAS — The Best Is Yet to Come!

Comet Tsuchinshan-ATLAS has delighted observers already, but its morning run was only a warm-up — wait till you see what's coming.

Waxing gibbous Moon with Saturn at dusk, Oct. 13-14, 2024pass

This Week's Sky At a Glance

This Week's Sky at a Glance, October 11 – 20

Comet Tsuchinshan-ATLAS enters its week of glory for those of us in the Northern Hemisphere. Don't let any clear twilight slip by!

Coronal aurora Oct 8, 2024

Celestial Objects to Observe

Severe Geomagnetic Storm Triggers Widespread Aurora October 10-11

The aurora may be visible across much of the U.S. tonight in the wake of dual solar blasts.

Constellation diagram of Draco, the Dragon

Observing

Meet the Draco Constellation: The Dragon Between the Dippers

Meet Draco, the Dragon, a constellation that lurks between the Dippers and circles 'round the northern sky.

Waxing crescent Moon passing Venus and Antares in twilight, Oct 4-7, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, October 4 – 13

The waxing crescent Moon passes Venus, then Antares, in the western twilight. Several days later, Comet Tsuchinshan starts stealing the twilight show for everyone in the world's north temperate latitudes!