Science ❯ Astronomy

Celestial Events

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

3 ARTICLES

2d ago

2026 Sky Guide: Total Solar Eclipse, Perseids Peak, and Artemis II Plan

A newly published calendar maps the year’s prime celestial sights by date and location, steering observers toward the best windows for travel and viewing.

3 ARTICLES

2d ago

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

6 ARTICLES

last wk.

Ursid Meteor Shower Peaks Tonight, The Year’s Final Display

11 ARTICLES

last wk.

Interstellar Comet 3I/ATLAS Clears Earth as Spacecraft Capture Rare Sun‑Side Views

44 ARTICLES

last wk.

Winter Solstice Arrives at 15:03 UTC, Drawing Thousands to Stonehenge

14 ARTICLES

last wk.

Ursid Meteor Shower Peaks Tonight Into Early Monday Under New-Moon, Solstice Skies

4 ARTICLES

last wk.

Ursid Meteor Shower Peaks Tonight With Best Viewing Before Dawn

18 ARTICLES

last wk.

Solstice Arrives Sunday, Marking Winter in the North and Summer in the South

10 ARTICLES

last wk.

Final New Moon of 2025 Arrives in Sagittarius Today

13 ARTICLES

last wk.

Winter Solstice Arrives Sunday at 10:03 a.m. EST, Marking Year’s Shortest Day

45 ARTICLES

last wk.

Interstellar Comet 3I/ATLAS Nears Earth for Distant Close Approach on Friday

4 ARTICLES

last wk.

Winter Solstice Arrives Dec. 21 at 10:03 a.m. ET, Marking the Northern Hemisphere’s Shortest Day

14 ARTICLES

last wk.

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

56 ARTICLES

2w ago

Geminid Meteor Shower Peaks Overnight With Up to 120 Meteors per Hour

20 ARTICLES

2w ago

Geminids Peak Overnight Dec. 13–14 With Dark Skies Boosting Views

11 ARTICLES

2w ago

Geminids Peak This Weekend Under Darker Skies, With Forecasts of 120–150 Meteors Per Hour

6 ARTICLES

2w ago

Geminid Meteor Shower Peaks Dec. 13–14 With Dark Skies and Up to 150 Meteors an Hour

Celestial Events

2026 Sky Guide: Total Solar Eclipse, Perseids Peak, and Artemis II Plan

Quadrantids Set to Peak Jan. 3–4, but Full Moon Will Mute the Show

Winter Solstice Has Passed With Daylight Growing, Sunrise Still Drifting Later

EarthSky Names 2025’s Top Stories, Led by Interstellar Comet 3I/ATLAS

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

Ursid Meteor Shower Peaks Tonight, The Year’s Final Display

Interstellar Comet 3I/ATLAS Clears Earth as Spacecraft Capture Rare Sun‑Side Views

Winter Solstice Arrives at 15:03 UTC, Drawing Thousands to Stonehenge

Ursid Meteor Shower Peaks Tonight Into Early Monday Under New-Moon, Solstice Skies

Ursid Meteor Shower Peaks Tonight With Best Viewing Before Dawn

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Celestial Events

Solstice Arrives Sunday, Marking Winter in the North and Summer in the South

Final New Moon of 2025 Arrives in Sagittarius Today

Winter Solstice Arrives Sunday at 10:03 a.m. EST, Marking Year’s Shortest Day

Interstellar Comet 3I/ATLAS Nears Earth for Distant Close Approach on Friday

Winter Solstice Arrives Dec. 21 at 10:03 a.m. ET, Marking the Northern Hemisphere’s Shortest Day

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

Geminid Meteor Shower Peaks Overnight With Up to 120 Meteors per Hour

Geminids Peak Overnight Dec. 13–14 With Dark Skies Boosting Views

Geminids Peak This Weekend Under Darker Skies, With Forecasts of 120–150 Meteors Per Hour

Geminid Meteor Shower Peaks Dec. 13–14 With Dark Skies and Up to 150 Meteors an Hour

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Celestial Events