Oct. 5, 1984, Launch of History-Making STS-41G Mission

The Space Shuttle Challenger launches from Florida at dawn. On this mission, Kathryn Sullivan became the…

Hurricane Joaquin From the International Space Station

NASA Astronaut Scott Kelly captured this photo on Oct. 2, 2015, from the International Space Station…

Hurricane Joaquin From the International Space Station

NASA Astronaut Scott Kelly captured this photo on Oct. 2, 2015, from the International Space Station…

Charon in Enhanced Color

NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Charon just before closest approach…

Charon in Enhanced Color

NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Charon just before closest approach…

A Fresh Perspective on an Extraordinary Cluster of Galaxies

Galaxy clusters are often described by superlatives. After all, they are huge conglomerations of galaxies, hot…

A Fresh Perspective on an Extraordinary Cluster of Galaxies

Galaxy clusters are often described by superlatives. After all, they are huge conglomerations of galaxies, hot…

Dark, Recurring Streaks on Walls of Garni Crater on Mars

Dark narrow streaks, called "recurring slope lineae," emanate from the walls of Garni Crater on Mars,…

Dark, Recurring Streaks on Walls of Garni Crater on Mars

Dark narrow streaks, called "recurring slope lineae," emanate from the walls of Garni Crater on Mars,…

Supermoon Eclipse in Washington

A perigee full moon, or supermoon, is seen behind the Washington Monument during a total lunar…