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Comets

Dawn Comet C/2025 R3 (PanSTARRS) May Hold a Surprise

If we're lucky, we'll soon have bright comets at both dawn and dusk.

Comet MAPS James Webb Feb 7 2026 ST

Comets

Latest News on the Kreutz Sungrazing Comet C/2026 A1 MAPS

As the comet prepares for its perilous perihelion passage, we look at what to expect.

Comet 29P in outburst

Comets

Comet 29P/Schwassmann-Wachmann Bursts as "Ice Volcano" Erupts

After a recent explosive outburst, Comet 29P/Schwassmann-Wachmann is bright enough to see in a medium-sized telescope.

Comet C/2026 A1 (MAPS) on Jan. 17, 2026

Comets

New Kreutz Comet C/2026 A1 May Dazzle

A distant Kreutz comet heading our way may grow a glorious tail in April.

Comet K1 ATLAS on Nov. 18, 2025

Comets

Comet K1/ATLAS Crumbles, Interstellar Comet 3I/ATLAS Delights

Watch an Oort Cloud comet disintegrate before your eyes. Meanwhile, interstellar intruder 3I/ATLAS is brighter than expected.

Comet 3I/ATLAS closeup

Comets

All Eyes on Interstellar Comet 3I/ATLAS

An alien comet will soon depart from the Sun's glare and enter the morning sky. It may be even brighter than expected, so get ready for the observing opportunity of a lifetime.

Comet Lemmon on September 26th

Comets

Two Bright Comets Converge on Northern Hemisphere Skies

After a dearth of bright comets earlier this year, we look forward to an exciting month ahead.

Comet SWAN25B

Comets

New Comet SWAN (C/2025 R2) Pops Out from Behind the Sun

Ukrainian amateur discovers a bright, new comet now in the evening sky.

Comet Lemmon Aug. 25, 2025

Comets

Sweet Prospects for Comet Lemmon (C/2025 A6)

A promising comet could reach naked-eye brightness next month. Here's how to track it.

Comet 3I/ATLAS amateur view

Comets

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.

Vesta by Dawn

Comets

Asteroid Vesta Now an Easy Catch in Binoculars

Vesta, both protoplanet and asteroid, reaches opposition on May 2nd. From a dark sky it's even visible with the naked eye.

Comet C/2025 F2 (SWAN)

Comets

New Comet SWAN Now Visible in Small Scopes

A new comet discovered in spacecraft images is bright enough to make you get out of bed before dawn.

Comet ATLAS (C/2024 G3) breakup evolution

Comets

Comet ATLAS Caught in the Act of Disintegration

Nucleus falls to pieces, but the comet continues on!

Comet ATLAS (C/2024 G3) at dusk

Comets

Grab Your Binoculars for Comet ATLAS's Brief Sunset Show

Northern Hemisphere skywatchers can now spot this horizon-skirting comet. It's a beauty.

Comets

See January's "Planet Parade," plus Comet ATLAS Now Visible in Daylight

With lots of planets and a bright comet vying for our attention, January is an exciting month for skywatchers!

Comet ATLAS (C/2024 G3) over Mexico

Comets

Comet ATLAS (C/2024 G3) — Catch it if You Can

Grab your binoculars for a chance to see Comet ATLAS as it plunges toward perihelion.

Comet C/2024 G3

Comets

Comet ATLAS (C/2024 G3) Kicks off the New Year — What to Expect

The Southern Hemisphere should get a good show of Comet ATLAS (C/2024 G3). Mid-northern latitude observers not so much.

C/2023 A3 with ion tail Oct. 19

Comets

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.

C/2023 A3 Oct 13

Comets

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

Comets

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.

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