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Colorado

Arcs in and about Colorado from the outlets we track, each followed from its first story to its last, with who covered it.

Place · 1,645 stories · 8,269 articles · earliest story we hold Oct 2, 2023

Right nowactive arcs, newest development first

All arcs5 named arcs in 2025

Year: changes this list, the board and the stories below.

2026202520242023

Active · 1

Gone quiet · 4

On a timeline

every arc in 2025 at its own dates · opens on month
Jan 1 – Dec 31, 20252 arcs shown · 3 more this year
  • Each row is an arc
  • A mark is a story, on the day it was first reported
  • Who covered it: left, center, right
JanFebMarAprMayJunJulAugSepOctNovDec
Colorado's reintroduced wolves: deaths, livestock attacks and the One Ear pack

5 of 11 stories this year · gone quiet

Colorado wolf died from a gunshot, spurring a federal investigation · 5 articles, Jan 3Colorado Parks and Wildlife confirms an unknown, uncollared wolf was responsible for cow death in northwest Colorado · 7 articles, Feb 18Federal agency kills Colorado wolf connected to sheep deaths in Wyoming · 9 articles, Mar 20Female wolf dies in northwest Colorado, marking fourth death this year · 7 articles, May 16Another of Colorado’s wolves has died after traveling into Wyoming · 5 articles, Aug 6
The firebomb attack on a pro-Israel gathering in Boulder, Colorado

7 stories · gone quiet

FBI: Boulder terror attack targeted Israeli supporters, 6 injured · 33 articles, Jun 1What we know about the suspect and victims in the Boulder, Colorado, attack · 39 articles, Jun 16 injured, possibly with burns, in a Colorado attack the FBI is investigating as terrorism · 11 articles, Jun 1Multiple people set on fire in antisemitic attack in Colorado · 8 articles, Jun 1FBI says 8 injured in Colorado attack by man with makeshift flamethrower who yelled ‘Free Palestine’ · 30 articles, Jun 1Man attacks Colorado crowd with firebombs, 8 people injured · 14 articles, Jun 2Boulder suspect backed off his initial plan to kill all in a group he called 'Zionist,' police say · 10 articles, Jun 2
The H5N1 bird flu outbreak in US cattle, poultry and people · Jan 27, 2024 – Nov 25, 2025Trump's orders to require proof of citizenship and limit mail voting · Mar 25, 2025 – Sep 28, 2026The 2025 government shutdown, the longest in US history · Aug 31 – Nov 21, 2025

Coverage over timeindependent sources per week, by side, every year we hold

20232700 articles20246432 articles20253946 articles20269792 articles

Earlier years are still being indexed.

Sep 2023Apr 2024Dec 2024Jul 2025Feb 2026Sep 2026

LeftCenterRight

Point at or tap a week to see its count by side.

Every week as a table
Week ofLeftCenterRightArticles
Sep 25, 20230202
Oct 2, 202322479271
Oct 9, 202311254120
Oct 16, 202312319181
Oct 23, 2023294116207
Oct 30, 2023152610160
Nov 6, 202310316135
Nov 13, 2023132610129
Nov 20, 202313308144
Nov 27, 2023912657
Dec 4, 202369235
Dec 11, 2023112237
Dec 18, 2023427427578
Dec 25, 2023445721585
Jan 1, 2024294927429
Jan 8, 202414259125
Jan 15, 202416338205
Jan 22, 2024617970
Jan 29, 202482111115
Feb 5, 2024344926359
Feb 12, 2024520596
Feb 19, 2024153810285
Feb 26, 2024234221285
Mar 4, 2024293420225
Mar 11, 2024152112127
Mar 18, 2024310340
Mar 25, 2024411456
Apr 1, 202412161281
Apr 8, 2024264113181
Apr 15, 2024914771
Apr 22, 2024319591
Apr 29, 2024615471
May 6, 202427231
May 13, 202426330
May 20, 202423420
May 27, 202445231
Jun 3, 202456728
Jun 10, 202448322
Jun 17, 202412259133
Jun 24, 2024514649
Jul 1, 2024514860
Jul 8, 2024918661
Jul 15, 2024514984
Jul 22, 202436218
Jul 29, 202405012
Aug 5, 2024612343
Aug 12, 202417232112
Aug 19, 20241214580
Aug 26, 2024715492
Sep 2, 202404020
Sep 9, 2024311364
Sep 16, 20241010368
Sep 23, 2024418387
Sep 30, 20246289158
Oct 7, 2024133012167
Oct 21, 2024205113347
Oct 28, 2024102913164
Nov 4, 2024243512167
Nov 11, 202418242
Nov 18, 2024615460
Nov 25, 2024210240
Dec 2, 2024304733460
Dec 9, 2024274615267
Dec 16, 2024612339
Dec 23, 202410205124
Dec 30, 2024133321164
Jan 6, 202518015
Jan 13, 20253026
Jan 20, 2025294819293
Jan 27, 202526432
Feb 10, 202511111
Feb 17, 202508013
Feb 24, 202545225
Mar 3, 2025210118
Mar 10, 202512161165
Mar 17, 20251409
Mar 24, 202510191294
Mar 31, 2025714241
Apr 7, 2025618662
Apr 14, 20251036
Apr 21, 202519318170
Apr 28, 2025311433
May 5, 2025162015101
May 12, 2025613757
May 19, 2025214120266
May 26, 2025163011144
Jun 2, 2025326516415
Jun 9, 202531617
Jun 23, 202504012
Jun 30, 202524412
Jul 7, 2025172516102
Jul 14, 202538328
Jul 21, 202548221
Jul 28, 2025519370
Aug 4, 202519121
Aug 11, 2025415460
Aug 18, 2025183613185
Sep 1, 2025920685
Sep 8, 2025326327444
Sep 15, 2025141615109
Sep 22, 202534424
Sep 29, 2025510444
Oct 6, 20259151157
Oct 13, 20251311160
Nov 3, 202551114
Nov 10, 2025153813172
Nov 17, 20250011
Nov 24, 202523215
Dec 1, 20251209
Dec 8, 2025510431
Dec 15, 202512236113
Dec 22, 2025518387
Dec 29, 202510225125
Jan 5, 2026273317266
Jan 12, 202615211
Jan 19, 202636234
Jan 26, 20260305
Feb 2, 202639330
Feb 9, 2026715859
Feb 16, 2026616148
Feb 23, 20261014469
Mar 9, 20260426
Mar 16, 202627129
Mar 23, 202618426
Mar 30, 2026152514110
Apr 20, 202663319
May 4, 2026715871
May 11, 2026391038
May 18, 202632511
Jun 1, 202650412
Jun 8, 20261001
Jun 22, 202636229
Jun 29, 2026549356842
Jul 6, 2026318523641
Jul 13, 20262610227897
Jul 20, 2026326526621
Jul 27, 2026144823434
Aug 3, 2026235420584
Aug 10, 2026278625671
Aug 17, 2026327719414
Aug 24, 20264710035641
Aug 31, 2026358829614
Sep 7, 2026348119557
Sep 14, 20266211742911
Sep 21, 2026429524677
Sep 28, 2026143214192

Stories before June 28, 2026 come from archived pages, so who covered them is limited to the outlets we recovered for that period.

Everything else133 stories in 2025 not part of any arc, newest first

Stories about Colorado that are not part of any arc yet

  1. Dec 31Former Colorado Sen. Ben Nighthorse Campbell dies at 9213 articles · 12 independent sources
    5 left, 2 center, 1 right
  2. Dec 31Lauren Boebert rips Trump for using first veto of second term on her bipartisan water bill: ‘This is not over’5 articles · 5 independent sources
    1 left, 1 center, 3 right
  3. Dec 31Trump administration orders coal plant in northwest Colorado to remain open one day before scheduled closure11 articles · 11 independent sources
    0 left, 3 center, 1 right
  4. Dec 24Colorado mom suspected of killing 2 of her kids is extradited from the U.K.7 articles · 7 independent sources
    1 left, 2 center, 2 right
  5. Dec 22Colorado governor accuses Trump of playing 'political games' after disaster request denials8 articles · 8 independent sources
    0 left, 2 center, 2 right
  6. Dec 12Trump pardons jailed ex-Colorado election official Tina Peters, but she was charged in state court24 articles · 18 independent sources
    4 left, 8 center, 4 right
  7. Dec 3DNA solves 1987 murder of Colorado woman, linking case to serial killer9 articles · 3 independent sources
    1 left, 2 center, 0 right
  8. Nov 25– 26Man charged in Colorado Planned Parenthood shooting dies in federal custody15 articles · 14 independent sources
    2 left, 3 center, 2 right
  9. Nov 4– 5Colorado voters overwhelmingly approve new tax revenue to bolster funding for free school meals program8 articles · 8 independent sources
    4 left, 1 center, 0 right
  10. Nov 3Judge rejects plea deal for funeral home owner accused of stashing nearly 190 decaying bodies6 articles · 4 independent sources
    2 left, 0 center, 1 right

Stories that name Colorado

  1. Dec 31Trump issues first vetoes of his second term22 articles · 15 independent sources
    1 left, 9 center, 0 right
  2. Dec 29– 30Ground beef recalled in 6 states over possible E. coli contamination19 articles · 10 independent sources
    1 left, 5 center, 2 right
  3. Dec 25Mom shares warning about batteries in Christmas gifts after daughter's injury6 articles · 2 independent sources
    0 left, 1 center, 1 right
  4. Dec 23– 24Melodee Buzzard’s mother arrested in connection with 9-year-old’s killing after her body is found40 articles · 19 independent sources
    4 left, 8 center, 2 right
  5. Dec 20– 25Santa Tracker: Watch NORAD track Santa Claus and his reindeer as they deliver gifts around the world35 articles · 14 independent sources
    1 left, 11 center, 0 right
  6. Dec 17– 19Trump signs executive order to reclassify marijuana as less dangerous drug107 articles · 61 independent sources
    12 left, 21 center, 6 right
  7. Dec 12The Justice Department has now sued 18 states in an effort to access voter data7 articles · 7 independent sources
    1 left, 2 center, 0 right
  8. Nov 11– 12Northern Lights Update: These States Could See The Northern Lights Wednesday51 articles · 28 independent sources
    4 left, 16 center, 0 right
  9. Oct 14– 17‘No Kings’ protests return as Trump ramps up authoritarian practices, organizers say60 articles · 27 independent sources
    13 left, 11 center, 1 right
  10. Oct 9Wyoming library director fired amid book dispute reaches $700,000 settlement6 articles · 6 independent sources
    2 left, 1 center, 0 right

Local coverage

  1. Sep 22Natural gas pipeline ruptures in southern Wyoming, setting fire to a freight train8 articles · 6 independent sources
    1 left, 2 center, 0 right
  2. Jun 3Wife and children of the Boulder attack suspect are in ICE custody: DHS7 articles · 3 independent sources
    1 left, 2 center, 0 right
  3. Jun 2Suspect in Boulder antisemitic attack is charged with a federal hate crime. Here’s what we know7 articles · 6 independent sources
    0 left, 3 center, 0 right
  4. Apr 26Shedeur Sanders reacts to going undrafted over first three rounds of NFL Draft6 articles · 2 independent sources
    1 left, 1 center, 0 right
  5. Mar 5Boy missing from Georgia for 7 years found safe in Colorado5 articles · 3 independent sources
    0 left, 3 center, 0 right
Colorado · Throughline | Slantwise