Science ❯ Astronomy

Celestial Events

Meteor Showers Solar Eclipses Comets Eclipses Planetary Alignments Moon Phases Solar Eclipse Lunar Phases Visibility Full Moon

48 ARTICLES

3d ago

Orionid Meteor Shower Peaks Under New Moon Tonight

Dark, moonless skies favor sightings of 10–20 fast meteors an hour from Halley’s Comet debris, with possible views of Comet Lemmon, Comet SWAN or northern aurora in some areas.

17 ARTICLES

3d ago

Comet Lemmon Shines at Closest Approach as Twin Comet SWAN Offers a Dimmer Companion

4 ARTICLES

3d ago

Comet Lemmon Makes Closest Approach Oct. 20–21 With Prime Viewing Under New Moon

6 ARTICLES

6d ago

Interstellar Comet 3I/ATLAS Surprises Researchers With CO2-Rich Coma and Nickel Vapor

10 ARTICLES

6d ago

Orionid Meteor Shower Peaks Oct. 21–23 Under New-Moon Skies

24 ARTICLES

last wk.

Twin Green Comets Brighten For Best Views Under Next Week’s New Moon

7 ARTICLES

last wk.

Orionid Meteor Shower Set to Peak Under Moonless Skies Next Week

5 ARTICLES

last wk.

Last Quarter Moon Draws Close to Jupiter Overnight in Easy Sky Show

3 ARTICLES

last wk.

Comet Lemmon Brightens Ahead of Oct. 20–21 Peak, Now Near the Big Dipper

6 ARTICLES

last wk.

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

14 ARTICLES

2w ago

Bright Moon Dulls Draconids’ Peak as Attention Shifts to Orionids

7 ARTICLES

2w ago

Comets Lemmon and SWAN Poised for Best Viewing Oct. 20–21

9 ARTICLES

2w ago

Draconids Peak Today With NASA Modeling a Brief Burst Up to 400 Meteors an Hour

60 ARTICLES

2w ago

Harvest Supermoon Opens Stretch of Consecutive Supermoons

25 ARTICLES

2w ago

Harvest Supermoon Brightens Oct. 6–7 Skies Worldwide

11 ARTICLES

2w ago

Draconid Meteor Shower Peaks Wednesday With Best Views After Dusk in Northern Skies

64 ARTICLES

2w ago

Harvest Supermoon Peaks Tonight at 11:48 p.m. ET

Celestial Events

Orionid Meteor Shower Peaks Under New Moon Tonight

Comet Lemmon Shines at Closest Approach as Twin Comet SWAN Offers a Dimmer Companion

Comet Lemmon Comes Into Naked-Eye View Tonight Across the Northern Hemisphere

Orionids Peak Under New-Moon Skies Tonight

Two Long-Period Comets Enter Peak Viewing: SWAN Closest Now, Lemmon Tuesday

Comet Lemmon Makes Closest Approach Oct. 20–21 With Prime Viewing Under New Moon

Interstellar Comet 3I/ATLAS Surprises Researchers With CO2-Rich Coma and Nickel Vapor

Orionid Meteor Shower Peaks Oct. 21–23 Under New-Moon Skies

Twin Green Comets Brighten For Best Views Under Next Week’s New Moon

Orionid Meteor Shower Set to Peak Under Moonless Skies Next Week

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Celestial Events

Last Quarter Moon Draws Close to Jupiter Overnight in Easy Sky Show

Comet Lemmon Brightens Ahead of Oct. 20–21 Peak, Now Near the Big Dipper

Twin Green Comets Enter Prime Viewing Week Before Closest Approaches

Bright Moon Dulls Draconids’ Peak as Attention Shifts to Orionids

Comets Lemmon and SWAN Poised for Best Viewing Oct. 20–21

Draconids Peak Today With NASA Modeling a Brief Burst Up to 400 Meteors an Hour

Harvest Supermoon Opens Stretch of Consecutive Supermoons

Harvest Supermoon Brightens Oct. 6–7 Skies Worldwide

Draconid Meteor Shower Peaks Wednesday With Best Views After Dusk in Northern Skies

Harvest Supermoon Peaks Tonight at 11:48 p.m. ET

Never miss stories about

Celestial Events