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Earth Observatory

Fires Erupt in South-Central Chile

Tens of thousands of people fled to safety as blazes spread throughout the country’s Biobío and Ñuble regions.

Posted January 21, 2026

Earth Observatory

How Long, Not Long

After marching from Selma, Martin Luther King Jr. stood on the steps of the state capitol in Montgomery, Alabama, and called for nonviolence in the fight for equality and justice for all Americans.

Posted January 19, 2026

Earth Observatory

Oceans

Blooming Seas Around the Chatham Islands

A vibrant display of phytoplankton encircled the remote New Zealand islands.

Posted January 16, 2026

Clouds

Earth Observatory

Clouds Swimming over Lago Argentino

A collection of fish-shaped clouds hovered above the glacial lake in Patagonia in December 2025.

Posted January 15, 2026

Earth Observatory

Fire on Ice: The Arctic’s Changing Fire Regime

An increasingly flammable landscape combined with more lightning strikes is leading to larger, more frequent, and more intense fires than the landscape is adapted for.

Posted January 14, 2026

Earth Observatory

Earth Visualization & Mapping

Fires on the Rise in the Far North

Satellite-based maps show northern wildland fires becoming more frequent and widespread as temperatures rise and lightning reaches higher latitudes.

Posted January 14, 2026

Earth Observatory

Hurricanes & Typhoons

Oceans

A Plume of Bright Blue in Melissa’s Wake

The category 5 hurricane stirred up carbonate sediment near Jamaica in what scientists believe is the largest such event in the satellite record.

Posted January 13, 2026

Clouds

Earth Observatory

Moderate Resolution Imaging Spectroradiometer (MODIS)

Terra

Ganges Delta Under a Winter Shroud of Fog

Low clouds blanketed the delta while parallel cloud bands rolled over the Bay of Bengal during a January cold wave.

Posted January 9, 2026

Earth Observatory

Algae Swirls Across a South African Reservoir

Vivid green blooms form, drift, and fade in Hartbeespoortdam reservoir over the course of a year.

Posted January 7, 2026

Earth Observatory

Reaching the Precipice in Angola

The Huíla plateau, bounded by dramatic cliffs and chasms, stands above the arid coastal plains in the country’s southwest.

Posted January 6, 2026

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3

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239

23

Carruthers Geocorona Observatory (GLIDE)

7

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27

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3

STS-51A

1

Mars Sample Return (MSR)

13

NEO Surveyor (Near-Earth Object Surveyor Space Telescope)

10

3

Tracy Caldwell Dyson

8

Global Precipitation Measurement (GPM)

2

xEVA & Human Surface Mobility

10

Aeronautics Research Mission Directorate

104

Astrophysics Division

179

48

Robert L. Satcher Jr.

1

Investigation of Convective Updrafts (INCUS)

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8

Commercial Space Programs

22

Space Technology Research Grants

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5

Sustainable Aviation

3

Moons

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Office of the Chief Health and Medical Officer (OCHMO)

5

Technology Demonstration Missions Program

14

Franklin R. Chang-Díaz

1

Virtual Guest Program

11

Helios 1

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Apollo 10

3

Opportunities For Students to Get Involved

40

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1

Pulsars

13

TESS (Transiting Exoplanet Survey Satellite)

22

GALEX (Galaxy Evolution Explorer)

1

8

Aqua

5

Outer Planets & Ocean Worlds Program

1

Raja Chari

3

Hybrid Thermally Efficient Core

3

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1

Charles F. Bolden Jr.

1

6

Doing Business with NASA

5

STS-93

1

Matthew Dominick

5

4

Extreme Weather Events

18

73

GRACE-FO (Gravity Recovery and Climate Experiment Follow-on)

7

Air Traffic Management - Exploration

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Barry E. Wilmore

2

Planetary Nebulae

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15

Jasmin Moghbeli

11

Lunar Surface Innovation Consortium

7

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1

Star-forming Nebulae

15

Electrified Powertrain Flight Demo

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NASA Engineering and Safety Center

48

ER-2

5

Mars 2020

35

NASA+

6

ExoMoons

1

362

Gemini IX

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Wildlife

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Advanced Air Mobility

19

Artificial Intelligence (AI)

17

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1

Research Opportunities in Space and Earth Sciences (ROSES)

4

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2

Leadership

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COBE (Cosmic Background Explorer)

1

Space Communications & Navigation Program

45

Earth

271

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6

Michoud Assembly Facility

35

Ocean Circulation

1

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Venus

12

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227

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408

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29

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1

Human Dimensions

19

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3

Cassini

10

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20

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11

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1

Mars Science Laboratory (MSL)

26

NEOWISE

8

54

Transformational Tools Technologies

12

Globular Clusters

5

XMM-Newton (X-ray Multi-Mirror Newton)

3

Aeronautics STEM

3

Astrophysics Explorers Program

4

Physical Sciences

8

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18

Io

5

Low Boom Flight Demonstrator

27

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15

32

125

Sustainable Flight Demonstrator

6

MOSAICS

1

Office of the Chief Information Officer (OCIO)

4

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6

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1

Visible / Optical Light

1

5

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6

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5

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1

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6

4

Game Changing Development Program

37

36

Armstrong Flight Research Center

143

Outside the Classroom

10

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2

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6

Landsat 5

2

Charles O. Hobaugh

1

2

Donald R. Pettit

4

STS-96

1

MAVEN (Mars Atmosphere and Volatile EvolutioN)

18

Nicole Aunapu Mann

3

EZIE (Electrojet Zeeman Imaging Explorer)

2

Underway Recovery Test 11

1

12

Air Traffic Management and Safety

2

Becoming an Astronaut

5

Planetary Science

98

SBIR

1

Jason-CS (Continuity of Service) / Sentinel-6

5

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10

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1

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155

Electromagnetic Spectrum

5

NASA Headquarters

135

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2

EscaPADE (Escape and Plasma Acceleration and Dynamics Explorers)

7

Mars Campaign Development Division

2

National Advisory Committee for Aeronautics (NACA)

6

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12

THEMIS-ARTEMIS (Time History of Events and Macroscale Interactions During Substorms - Acceleration, Reconnection, Turbulence and Electrodynamics of Moon's Interaction with the Sun)

1

Gemini VI

1

William A. Anders

2

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7

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4

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147

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20

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10

3

2

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10

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3

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17

8

Blue Ghost (lander)

4

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6

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Johnson's Mission Control Center

6

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1

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2

CYGNSS (Cyclone Global Navigation Satellite System)

1

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