81–100 of 1,470 results
Watching the Southern Delta Aquariids

Celestial News & Events

Thumbs Up for the Delta Aquariid Meteor Shower

Meteor-watchers will be busy this month and next. Not only are the Southern Delta Aquariids peaking soon, but they get a boost from additional minor showers.

Waning crescent Moon passing Venus at dawn, July 21-22, 2025

Celestial News & Events

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

The waning crescent Moon joins Venus and Jupiter at dawn. In the dark of night, the Guardians of the Pole are no such things, except they are. And thereby hangs a tale. . .

Rasalhague (Alpha Ophiuchi) turns the Summer Triangle into a cut diamond.

Celestial News & Events

This Week's Sky at a Glance, July 11 – 19

In early dawn on Saturday the 12th, Taurus uses Venus to open his very rare, strikingly brilliant second eye. In the following days the eye slips out of place.

Comet 3I/ATLAS amateur view

Celestial News & Events

Rare Interstellar Comet Buzzes Solar System

A newfound comet from a remote star system may become bright enough to see in amateur telescopes this November.

Celestial News & Events

This Week's Sky at a Glance, July 4 – 12

On Sunday night the Moon occults Pi Scorpii for almost all of North America. Elsewhere in Scorpius, the Cat's Eyes point side-eye to the Little Cat's Eyes.

Double Novae image V632 Lupi and V572 Velorum

Celestial News & Events

See Dual Naked-Eye Novae, a Rare Cosmic Coincidence

What's rarer than a naked-eye nova? Having two of them at the same time!

Georgia bolide June 26, 2025

Celestial News & Events

Exploding Fireball Drops Meteorites Over Georgia

Space rocks pelt Georgia after Thursday's thunderous bolide.

Moon and Mercury at dusk, June 27, 2025

Celestial News & Events

This Week's Sky at a Glance, June 27 – July 6

Mercury, Regulus, and Mars drift apart as they descend in the western twilight. After dark, check out double stars in the head of Scorpius. . . where occultation action is coming up.

2-day-old crescent

Celestial News & Events

Explore June's Dusky Crescent Moon

The Moon returns to the evening sky this week to show off its elegant crescent and invite us to tour its nightside.

Moon and Mercury low in the dusk, June 26, 2025

Celestial News & Events

This Week's Sky at a Glance, June 20 – 29

With summer finally here, summery Scorpius awaits you as night grows late. The Moon prepares to molt from old to new and greet Mercury in twilight.

Nova Lupi (V462 Lupi) June15

Celestial News & Events

Bright Nova Lights Up Lupus Constellation

A newly-discovered nova in Lupus is on the rise and approaching naked-eye visibility. Here's how to see it.

Celestial News & Events

This Week's Sky at a Glance, June 13 – 22

Mars and Regulus are again 0.8° apart during the evening of June 17th for the Americas, this time with Mars more directly above the star

Smoky Strawberry Moon

Celestial News & Events

When Wildfires Imperil Our Night Skies, See Double and Variable Stars

As wildfire season expands, observers across much of the country try to make do.

Moon rising in front of Scorpius, June 9-10, 2025

Celestial News & Events

This Week's Sky at a Glance, June 6 – 15

The yellow Honey Moon this week passes orange Antares. The Kite of Boötes turns upright. And is Capella circumpolar for you?

Moon passing Mars and Regulus, May 31 - June 1, 2025

Celestial News & Events

This Week's Sky at a Glance, May 30 – June 8

The waxing Moon poses with Mars, then Regulus, in the west. Double stars await near Vega, while another double star far across the sky points the way.

Jupiter with thin crescent Moon low in bright twilight, May 27-28, 2025

Celestial News & Events

This Week's Sky at a Glance, May 23 – June 1

Have you ever found a hairline crescent Moon as young as 24 hours from new? You get a chance Tuesday after sunset. Mars fades, Jupiter says goodbye, and a globular cluster waits for you in the Keystone.

Waning Moon passing Saturn, then Venus, in the dawn, May 22-23, 2025

Celestial News & Events

This Week's Sky at a Glance, May 16 – 25

Jupiter waves goodbye for the season. Mars forsakes Pollux and Castor and heads for Regulus. Saturn and Venus each pair up with the waning crescent Moon at dawn.

Titan and its shadow Feb. 24, 2009

Celestial News & Events

Titan Shadow Transit Season Underway

Titan shadow transits are rare, occurring only about every 15 years. Don't miss the chance to see one this observing season.

Moon passing Spica at nightfall, May 9-10, 2025

Celestial News & Events

This Week's Sky at a Glance, May 9 – 18

Every month, the Moon takes four days to cross the sky from Spica to Antares. This week it goes unusually close to each of them.

Full Moon with Cassini's Bright Spot

Celestial News & Events

"Cassini's Bright Spot" Beams at Full Moon

Rayed craters pepper the Moon especially around full. Cassini's Bright Spot is one of the most striking.