Featured Missions
Upcoming mission milestones showcase the breadth and depth of NASA science.

James Webb Space Telescope
Webb is celebrating one year of incredible discoveries, from exoplanets to the early Universe.

OSIRIS-REx
OSIRIS-REx is the first U.S. mission to collect samples from an asteroid. It returned the samples to Earth on Sept. 24, 2023, kicking off an exciting autumn of asteroid milestones!

Parker Solar Probe
Parker just completed its 16th orbit, moving ever closer to the surface of the Sun. Celebrate this mission and others with the Heliophysics Big Year, beginning in October 2023.
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3D Tissue Chips
Developing tissue chips that can be used for modeling of acute and/or chronic exposures for 6 months or longer 3D…

Able 1 (Pioneer 0)
Pioneer 0, also known as Able 1, was the first-ever launch to the Moon — and humanity’s first attempt to…

Able 2 (Pioneer 1)
The U.S. Air Force shared management of this lunar mission with America's newly-formed space agency — NASA.

Able 4B (Pioneer P-3)
Able 4B, also known as Pioneer P-3, was part of a U.S. push to get to the Moon after the…

Able 5A (Pioneer P-30)
What was Able 5A (Pioneer P-30)? This U.S. probe had a mission similar to its failed predecessor, Able 4B. It…

Able 5B (Pioneer P-31)
What was Able 5B (Pioneer P-31)? LIke its two unsuccessful predecessors, this U.S. spacecraft was launched to orbit the Moon.…

ACE
NASA’s Advanced Composition Explorer (ACE) collects and analyzes particles of solar, interplanetary, interstellar and galactic origins. The data contributes to…

ACME
Advancing combustion technology via fundamental microgravity/Improving efficiency and reducing emission in practical terrestrial combustion The Advanced Combustion via Microgravity Experiments…

ACRIMSAT
Earth Orbiter

Advanced Plant Habitat
Conducting plant bioscience research aboard the International Space Station The Advanced Plant Habitat (APH) is the largest, fully automated plant…

Akatsuki
Launch Date May 21, 2010 Launch Site Tanegashima Space Center, Tanegashima, Japan Destination Venus Type Orbiter Status Successful–In Progress Nation…

Apollo 15 Subsatellite
Launch Date Aug. 4, 1971 Launch Site Cape Canaveral, Florida, USA | Launch Complex 39A Destination Earth’s Moon Type Orbiter…

Apollo 16 Subsatellite
Launch Date Apr. 24, 1972 Launch Site Cape Canaveral, Florida, USA | Launch Complex 39A Destination Earth’s Moon Type Orbiter…

Aqua
Earth Orbiter

Aquarius
Eyes on Aquarius The joint U.S./Argentinian Aquarius/Satélite de Aplicaciones Científicas (SAC)-D mission was launched June 10, 2011, and ended on…

ARTEMIS (THEMIS)
Note: This page refers to the twin robotic spacecraft currently studying the Moon. For details on NASA’s new Artemis mission…

ATLAS
The Atlas Program ATLAS-1, the first of the ATLAS series of Shuttle flights, was an important part of the long-term,…

ATS
Applications Technology Satellite Program The Applications Technology Satellite (ATS) series was conceived of as a follow-on to the successful experimental…

Aura
Earth Orbiter

AWE
The Atmospheric Waves Experiment (AWE) is planned to launch in November 2023, attached to the exterior of the Earth-orbiting International…

BARREL
BARREL was a balloon-based mission to study X-rays in Earth’s atmosphere near the North and South poles.

BepiColombo
What is BepiColombo? BepiColombo is an international mission comprised of two spacecraft riding together to Mercury to orbit and to…

Beresheet
Beresheet was Israel's first lunar mission and the first attempt by a private company to land on the Moon.

BioExpt-01
Biological Experiment-01 on Artemis I Studying how life responds to conditions beyond low Earth orbit BioExperiment-01 (BioExpt-01) will serve as…

CALIPSO
Earth Orbiter

Cassini-Huygens
Saturn Orbiter

Chandra
Space Telescope

Chandrayaan-1 / Moon Impact Probe
India's Chandrayaan-1 played a crucial role in the discovery of water molecules on the Moon.