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From left, Artemis II crew NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen are photographed on April 29, 2026, in the White House Oval Office with President Donald J. Trump.

NASA’s Artemis II Crew Set to Receive Congressional Space Medal of Honor

article5 days ago

Two NASA team members look up at the large, metallic space telescope in a clean room.

NASA Sets Coverage for Roman Space Telescope Launch from Florida

article2 days ago

What’s Up: August 2026 Skywatching Tips from NASA

What’s Up: August 2026 Skywatching Tips from NASA

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Featured

NASA Sets Coverage for Roman Space Telescope Launch from Florida

NASA Sets Coverage for Roman Space Telescope Launch from Florida

article 2 days ago

NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

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Galactic Gems Glisten in New Gallery From NASA’s Chandra

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Highlights

Human-Related Microbes May Survive Moon’s South Pole, NASA Finds

Human-Related Microbes May Survive Moon’s South Pole, NASA Finds

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NASA’s LRO Images Falcon 9 Crater on Moon, Learns New Details

NASA’s LRO Images Falcon 9 Crater on Moon, Learns New Details

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NASA Will Attempt to Observe Rocket Part’s Lunar Impact

NASA Will Attempt to Observe Rocket Part’s Lunar Impact

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Starstruck: NASA Research Shows How Sun’s Ancient History Shaped Earth

Starstruck: NASA Research Shows How Sun’s Ancient History Shaped Earth

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Starstruck: NASA Research Shows How Sun’s Ancient History Shaped Earth

Starstruck: NASA Research Shows How Sun’s Ancient History Shaped Earth

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NASA Shares Views of August Solar Eclipse from Ground, Air, Space

NASA Shares Views of August Solar Eclipse from Ground, Air, Space

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Human-Related Microbes May Survive Moon’s South Pole, NASA Finds

Human-Related Microbes May Survive Moon’s South Pole, NASA Finds

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NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

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Galactic Gems Glisten in New Gallery From NASA’s Chandra

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Hubble Solves Merger Mystery From Milky Way’s Early Years

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NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

NASA’s Pandora Mission Begins Study of Exoplanets, Host Stars

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Galactic Gems Glisten in New Gallery From NASA’s Chandra

Galactic Gems Glisten in New Gallery From NASA’s Chandra

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NASA Selects University Teams to Help Advance Aviation Research

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NASA Student Aviation Challenge Focuses on Nation’s Infrastructure

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NASA Glenn’s Legacy Forged Through Decades of Flight Research

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New Next-Gen Dish Adds Muscle to NASA’s Deep Space Network

New Next-Gen Dish Adds Muscle to NASA’s Deep Space Network

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NASA Establishes State Hubs to Grow Technical Aerospace Workforce

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NASA’s Artemis II Crew Set to Receive Congressional Space Medal of Honor

NASA’s Artemis II Crew Set to Receive Congressional Space Medal of Honor

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La NASA anuncia la cobertura de la misión lunar Artemis II

La NASA anuncia la cobertura de la misión lunar Artemis II

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Agenda diaria de la misión a la Luna de Artemis II de la NASA

Agenda diaria de la misión a la Luna de Artemis II de la NASA

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La NASA refuerza Artemis: añade una misión y perfecciona su arquitectura general

La NASA refuerza Artemis: añade una misión y perfecciona su arquitectura general

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Sitemap

April 23, 1999

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1999
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April 23, 1999

APOD: 1999 April 23 – Io Shadow
Significant Event Report for Week Ending 4/23/1999

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