The space of night is infinite,
The blackness and emptiness
Crossed only by thin bright fences
Of logic

— Kenneth Rexroth
"Theory of Numbers"

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 14 hours 41 min ago

Jupiter’s Volcanic Moon Io

Tue, 09/30/2025 - 12:26pm
During its close flyby of Jupiter’s moon Io on December 30, 2023, NASA’s Juno spacecraft captured some of the most detailed imagery ever of Io’s volcanic surface. This image is the NASA Science Image of the Month for October 2025.
Categories: Astronomy, NASA

Hubble Surveys Cloudy Cluster

Mon, 09/29/2025 - 12:00pm
This NASA/ESA Hubble Space Telescope image features the nebula LMC N44C.
Categories: Astronomy, NASA

Golden Lake

Fri, 09/26/2025 - 11:20am
This stunning Earth image taken from the International Space Station looks at a large lake in eastern Kazakhstan with golden sunglint: Lake Balkhash. It is one of the largest lakes in Asia and is the 15th largest lake in the world.
Categories: Astronomy, NASA

3-in-1 Launch

Thu, 09/25/2025 - 1:38pm
A SpaceX Falcon 9 rocket carrying NASA’s IMAP (Interstellar Mapping and Acceleration Probe), the agency’s Carruthers Geocorona Observatory, and National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On–Lagrange 1 (SWFO-L1) spacecraft lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida at 7:30 a.m. EDT Wednesday, Sept. 24, 2025. The missions will each focus on different effects of the solar wind — the continuous stream of particles emitted by the Sun — and space weather — the changing conditions in space driven by the Sun — from their origins at the Sun to their farthest reaches billions of miles away at the edge of our solar system.
Categories: Astronomy, NASA

Airplane Aerobatics

Wed, 09/24/2025 - 12:01pm
NASA astronaut Nick Hague watches as Robert Schmidle Pitts Aerobatics perform, Friday, Sept. 12, 2025, during the Joint Base Andrews Air Show at Joint Base Andrews in Prince George's County, Maryland. Hague spent 171 days aboard the International Space Station as part of Expedition 72.
Categories: Astronomy, NASA

NASA’s New Astronaut Candidates

Tue, 09/23/2025 - 2:28pm
NASA’s 10 new astronaut candidates were introduced Monday, Sept. 22, 2025, following a competitive selection process of more than 8,000 applicants from across the United States.
Categories: Astronomy, NASA

IC Stars

Mon, 09/22/2025 - 1:28pm
IC 348 is a star-forming region in our Milky Way galaxy.
Categories: Astronomy, NASA

A Beacon to Space

Fri, 09/19/2025 - 10:33am
In this infrared photograph, the Optical Communications Telescope Laboratory at JPL’s Table Mountain Facility near Wrightwood, California, beams its eight-laser beacon to the Deep Space Optical Communications flight laser transceiver aboard NASA’s Psyche spacecraft.
Categories: Astronomy, NASA