161–180 of 1,280 results
Titan and Tethys

Explore the Night with Bob King

Titan Occults a Bright Star, Mira Awakens, and Comet PanSTARRS Shines

Pick one or see them all. July offers a potpourri of celestial events for both naked-eye observers and telescope users that include a rare occultation by Saturn's moon Titan, a bright comet, and Mira at maximum.

Moon passing Regulus and Leo, July 2-4, 2022

Celestial News & Events

This Week's Sky at a Glance, July 1 – 9

The Moon waxes across the evening sky from Leo to Scorpius. The five-planet lineup in the dawn is now four. And amateur astronomers plan to be recording as Saturn's hazy moon Titan occult a star about as bright as Titan itself for most of North America.

Crescent Moon passing Venus and Mercury, June 26-27, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, June 24 – July 2

The crescent Moon returns to the evening, crossing Leo. The five-planet lineup continues at dawn; catch it while you still can. And for skywatchers at northern latitudes, we're entering noctilucent cloud season.

Dawn planet line

Explore the Night with Bob King

Solar System Gets its Ducks in a Row

We'll have not one but many opportunities to enjoy a rare lineup of the bright planets over the next few weeks. Amazingly, they'll be aligned in order of their distance from the Sun.

Moon passing Jupiter and Mars in the dawn, June 21-23, 2022

Celestial News & Events

This Week's Sky at a Glance, June 17 – 25

The five naked-eye planets form a diagonal line in the dawn this week — in order of their distance from the Sun, no less. And the waning Moon visits each one in turn, day by day.

Moon crossing Scorpius, June 12-13, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, June 10 – 18

The waxing gibbous Moon shines with Spica, then occults Delta Scorpii. Meanwhile, all seven planets other than Earth are forming into a diagonal line across the east to southeast at dawn.

Tau Herculid fireball

Explore the Night with Bob King

Tau Herculid Meteors Surprise and Delight

We touch on the highlights of the memorable Tau Herculid meteor shower and also report on the recent outburst of the recurrent nova U Scorpii.

Waxing Moon with Castor and Pollux

This Week's Sky At a Glance

This Week's Sky at a Glance, June 3 – 11

For three nights running, the waxing Moon will pose equidistant from the two brightest stars of Leo. The Cassiopeia W lies exactly level in the north. And for that to happen, Kochab has to be straight above Polaris.

Crescent Moon passing Pollux and Castor, June 2-3, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, May 27 – June 4

The crescent Moon passes Pollux and Castor in the western twilight. Jupiter aligns with Mars in the dawn, then they edge apart. And a strong new meteor shower will either happen or it won't!

Moon with Jupiter, Mars, Venus at dawn, May 25-27, 2022

Celestial News & Events

This Week's Sky at a Glance, May 20 – 28

The advancing spring sends Vega high and Capella low. The Coma Berenices cluster glitters shyly way up, big and dim. Glance up anytime to check on changing Beta Lyrae. And now in the dawn, Jupiter aligns with Mars.

November 2021 Lunar eclipse

Explore the Night with Bob King

Witness a Total Lunar Eclipse on Sunday, May 15–16

The full Flower Moon ducks inside Earth's shadow in a total lunar eclipse this month. We help you prepare for all the highlights of the special event.

Spica and Corvus. Image by Akira Fujii.

Celestial News & Events

This Week's Sky at a Glance, May 13 – 21

The Moon becomes totally eclipsed, Corvus eyes Spica, Draco eyes Vega, and the last star of the rising Summer Triangle clears the horizon.

Celestial News & Events

This Week's Sky at a Glance, May 6 – 14

The Moon aligns with Pollux and Castor – but how precisely for you? Three zero-magnitude stars form a far-flung spring triad. And with Libra and Bootes up, the two oldest things you will ever see await your binoculars or scope.

Mercury, Pleiades, crescent Moon, May 2, 2022

Celestial News & Events

This Week's Sky at a Glance, April 29 – May 6

Mercury passes the Pleiades at dusk. Jupiter passes Venus in the dawn as Mars and Saturn watch. And can you name the three brightest stars of these spring nights? Hint: They're all magnitude zero.

Moon, Mars, Saturn, Venus. Jupiter, April 25-27, 2022

Celestial News & Events

This Week's Sky at a Glance, April 22 – 30

Arcturus, Spica, and Corvus put on their spring show. The Pointers point straight down at nightfall, which means Leo walks the high south and the Arch of Spring spans the west.

Bright Lyrid

Explore the Night with Bob King

Celebrate Spring with the Lyrids

People have been watching the annual Lyrid meteor shower for more than 2,700 years. Come join the crowd!

Celestial News & Events

Plan Now for the 2023 Solar Eclipse in Western Australia

Here's what to know if you want to see this hybrid (mostly total) solar eclipse next year.

Four planets at dawn: Venus, Mars, Saturn, Jupiter, April 16, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, April 15 – 23

Orion descends, Leo walks sideways, the Dog Stars stand up straight, the Moon wanes past full, and at dawn, Jupiter, Venus, Mars, and Saturn form a diagonal straight line.

Venus, Mars, and Saturn at dawn, April 9, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, April 8 – 16

The gibbous Moon passes through Leo and Virgo as it waxes toward full, forming new Moon-and-stars "lunarisms" (patterns) each evening. Mercury begins a new apparition in the sunset. At dawn, Jupiter emerges to join the lineup of Venus, Mars, and Saturn.

Total solar eclipse 2019 in Chile

Celestial Objects to Observe

Two Years to the 2024 Total Solar Eclipse!

It’s never too early to start getting excited — and begin planning — for an event as spectacular as a total solar eclipse.