Explorer 1 – 60 Years of Earth Observations

February 12, 2026

Credit	NASA/JPL-Caltech
Language	english

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Explorer 1 History Document

Feb 12, 2026

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NASA’s Hubble Captures Light Show Around Rapidly Dying Star

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side

What’s Up: February 2026 Skywatching Tips from NASA

Missions

Humans in Space

Earth

The Solar System

The Universe

Science

Aeronautics

Technology

Learning Resources

About NASA

NASA en Español

News & Events

Multimedia

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What You Need to Know About NASA’s SpaceX Crew-12 Mission

NASA’s Hubble Captures Light Show Around Rapidly Dying Star

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side

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NASA Moon Mission Spacesuit Nears Milestone

What You Need to Know About NASA’s SpaceX Crew-12 Mission

Space Station Research Contributes to Artemis II

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Reaching Top Speed in the Dolomites

Summer Heat Hits Southeastern Australia

Winter Grips Japan

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Iceland: Team Atomic

Iceland: Team SulpHur

Iceland: Team Lava

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NASA’s Hubble Captures Light Show Around Rapidly Dying Star

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side

Hubble Sees Galaxy with Dark Rings in New Light

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Amendment 48: Final Text and Due Dates for A.3 NISAR Mission Data, Applications, Research, and Technology Team

Reaching Top Speed in the Dolomites

Amendment 47: Corrections to B.2 Heliophysics Foundational Research

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ARMD Research Solicitations (Updated Feb. 4)

NASA Armstrong Contributions Propel Artemis, Deep Space Innovation

NASA Aims to Advance Hypersonic Flight Testing with New Awards

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Amendment 48: Final Text and Due Dates for A.3 NISAR Mission Data, Applications, Research, and Technology Team

Winter Grips Japan

Amendment 46: D.6 APRA and D.7 SAT TBD Placeholders Created, Plan to Solicit in ROSES-25

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Join the Artemis Mission to the Moon

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Cracking Antarctic Sea Ice

NASA Back for Seconds with New Food System Design Challenge

Space Station Research Contributes to Artemis II

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Últimos preparativos para la primera misión tripulada a la Luna con la campaña Artemis de la NASA

TRAPPIST-1 e — Guided Tour-es

Kepler-186 f — Guided Tour-es

Explorer 1 – 60 Years of Earth Observations

Downloads

Explorer 1 History Document