April 2025

Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Mars
Nebulae
Planetary Nebulae
Planetary Science
Planets
Spiral Galaxies
Stars
The Solar System
The Universe

Eye on Infinity: NASA Celebrates Hubble’s 35th Year in Orbit

In celebration of the Hubble Space Telescope’s 35 years in Earth orbit, NASA is releasing an assortment of compelling images recently taken by Hubble, stretching from the planet Mars to star-forming regions, and a neighboring galaxy.
Posted April 23, 2025
Stennis Space Center

NASA Stennis Continues Prep for Future Artemis Testing

Crews at NASA’s Stennis Space Center recently completed activation of interstage gas systems needed for testing a new SLS (Space Launch System) rocket stage to fly on future Artemis missions to the Moon and beyond. The activation marks a milestone in preparation for future Green Run testing of NASA’s exploration upper stage (EUS) in the […]
Posted April 23, 2025
Get Involved
Glenn Research Center
Opportunities For Students to Get Involved
Opportunities to Contribute to NASA Missions & Get Involved
Radioisotope Power Systems (RPS)
Technology
Technology for Space Travel

Nine Finalists Advance in NASA’s Power to Explore Challenge

NASA has named nine finalists out of the 45 semifinalist student essays in the Power to Explore Challenge, a national writing competition for K-12 students featuring the enabling power of radioisotopes.
Posted April 23, 2025
General

NASA Wins Six Webby Awards, Six Webby People’s Voice Awards

NASA was recognized today by the 29th Annual Webby Awards with six Webby Awards and six Webby People’s Voice Awards, the latter of which are awarded by the voting public.
Posted April 22, 2025
General
Ice Giants
Langley Research Center
Planetary Science Division
Uranus

Planetary Alignment Provides NASA Rare Opportunity to Study Uranus

When a planet’s orbit brings it between Earth and a distant star, it’s more than just a cosmic game of hide and seek. It’s an opportunity for NASA to improve its understanding of that planet’s atmosphere and rings. Planetary scientists call it a stellar occultation and that’s exactly what happened with Uranus on April 7. […]
Posted April 22, 2025
Citizen Science
Heliophysics

First Results from the Eclipse Soundscapes Project: Webinar on May 7

How do the sudden darkness and temperature changes of a solar eclipse impact life on Earth? The Eclipse Soundscapes project invited you to document changes in the environment during the week of the April 8, 2024 total solar eclipse, using your own senses or an audiomoth sound recorder.  Thanks to your participation, the Eclipse Soundscapes […]
Posted April 22, 2025
Earth
International Space Station (ISS)

Sunshine on Earth

The Sun’s glint beams off a partly cloudy Atlantic Ocean just after sunrise as the International Space Station orbited 263 miles above on March 5, 2025. The space station serves as a unique platform for observing Earth with both hands-on and automated equipment.
Posted April 22, 2025
Planets
The Solar System

Planet Sizes and Locations in Our Solar System

Our solar system has eight planets, and five officially recognized dwarf planets. Which planet is biggest? Which is smallest? What is the order of the planets as we move out from the Sun? This is a simple guide to the sizes of planets based on the equatorial diameter – or width – at the equator […]
Posted April 22, 2025
Kennedy Space Center
Sustainability at Kennedy Space Center

Animal That Once Lived With Dinosaurs Helps Keep NASA Kennedy In Balance

They’re known as “living fossils”. For over 450 million years, horseshoe crabs have been an ecologically vital part of our planet. They’re one of the few surviving species on Earth dating back to the dinosaurs. At NASA’s Kennedy Space Center in Florida, the American horseshoe crab (Limulus polyphemus) is one of more than 1,500 types […]
Posted April 22, 2025
Earth Science
Earth Science Division
Science-enabling Technology
Technology Highlights

Entrepreneurs Challenge Winner PRISM is Using AI to Enable Insights from Geospatial Data

NASA sponsored Entrepreneurs Challenge events in 2020, 2021, and 2023 to invite small business start-ups to showcase innovative ideas and technologies with the potential to advance the agency’s science goals.
Posted April 22, 2025
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Mars Express
2
Saturn
17
Spitzer Space Telescope
9
General
530
Infrared Light
2
Kathryn C. Thornton
1
Marshall Space Flight Center
264
The Human Body in Space
2
Andrew S.W. Thomas
1
Budget & Annual Reports
4
Ocean Worlds
2
Deep Space Optical Communications (DSOC)
6
Private Astronaut Missions
2
Expedition 72
6
Social Media
4
Find Your Place
4
STS-80
1
Heliophysics Division
46
Lunar Surface Innovation Initiative
7
NASA Engineering and Safety Center
34
Suomi NPP (Suomi National Polar-orbiting Partnership)
4
Video Series
1
2024 Solar Eclipse
46
Astrobiology
23
Commercial Space
74
Pamela A. Melroy
8
Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)
3
Coronal Mass Ejections
2
Perseverance (Rover)
21
EPSCoR
3
Scientific Balloons
14
Stephen G. Bowen
4
GOES (Geostationary Operational Environmental Satellite)
12
Ionosphere
8
Launch Services Program
35
Michael S. Hopkins
1
Tracy Caldwell Dyson
8
Apollo 16
1
Carl E. Walz
1
Office of the General Counsel (OGC)
36
Drones & You
21
Quasars
3
Sounding Rockets Program
14
Frank Borman
1
Hubble Space Telescope
177
Manufacturing, Materials, 3-D Printing
1
NASA+
2
Sustainable Flight National Partnership
4
Warren Hoburg
2
Aeronautics
125
Audio
6
NEO Surveyor (Near-Earth Object Surveyor Space Telescope)
10
Technology Research
8
William R. Pogue
1
Air Traffic Solutions
10
Binary Stars
3
Nichole Ayers
4
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12
Planetary Science
71
Exoplanet Detection Methods
5
SimLabs
2
STS-41B
3
Grades K - 4 for Educators
9
Jet Propulsion Laboratory
200
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17
MOSAICS
1
Uranus
5
Artemis 2
80
Climate Science
7
Chandrayaan-1
1
Orion Multi-Purpose Crew Vehicle
30
Earth Science Technology Office
7
Read it!
3
Robert L. Satcher Jr.
1
Space Sustainability
1
Gamma-Ray Bursts
10
I Am Artemis
15
Joint Agency Satellite Division
4
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4
Saturn Moons
9
Spot the International Space Station
3
Geospace Dynamics Constellation (GDC)
1
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1
Kennedy Space Center
202
Marshall Test Facility and Support Infrastructure
1
The Kuiper Belt
4
Andromeda Galaxy
5
BurstCube
4
Oceanography
3
Deimos
1
Prizes, Challenges & Crowdsourcing
6
Expedition 73
2
SOFIA (Stratospheric Observatory for Infrared Astronomy) / 747-SP
2
Fission Surface Power (FSP)
2
STS-88
1
Heliophysics Research Program
3
Lunar Surface Technology Research
1
NASA Headquarters
87
Super-Earth Exoplanets
9
VIPER (Volatiles Investigating Polar Exploration Rover)
16
AcrimSat (Active Cavity Irradiance Monitor Satellite)
1
Astrogram
8
Commercial Space Division
1
Parker Solar Probe (PSP)
8
Edward G. Gibson
1
Aura
2
NEOWISE
7
COSI (Compton Spectrometer and Imager)
1
Phobos
3
ER-2
4
Sea Ice
5
STEREO (Solar TErrestrial RElations Observatory)
2
GOES-R
3
IRIS (Interface Region Imaging Spectrograph)
1
Leadership
6
Michoud Assembly Facility
29
Transformational Tools Technologies
7
Apollo 8
3
Carlos I. Noriega
1
Open Science
1
Droughts
1
Quesst (X-59)
23
Sounds & Ringtones
1
Frank Rubio
4
Human Dimensions
2
Marcos Berrios
1
National Advisory Committee for Aeronautics (NACA)
6
SWOT (Surface Water and Ocean Topography)
13
Water & Energy Cycle
5
Aeronautics Research
6
Mars Odyssey
4
Technology Transfer
38
Wind Mission
2
Airborne Science
22
Biological & Physical Sciences
28
Nicole Aunapu Mann
3
Dark Matter
12
Planetary Science Division
51
Exoplanet Discoveries
11
SIR-C/X-SAR (Shuttle Imaging Radar-C / X-Band Synthetic Aperture Radar)
1
STS-41D
1
Grants & Opportunities
5
John B. Herrington
1
Low-Earth Orbit Economy
10
MUREP
10
Uranus Moons
3
Artemis 3
27
Clouds
5
Charles F. Bolden Jr.
1
Orion Program
12
Earth Surface & Interior
3
Red Dwarfs
1
Robotics
12
Space Technology Mission Directorate
125
Ganymede
1
Ice & Glaciers
11
Joint Polar Satellite System (JPSS)
1
SBIR STTR
7
Star Clusters
12
Gerald Carr
1
Ingenuity (Helicopter)
6
Kepler / K2
4
Martian Moon Exploration (MMX)
2
The Milky Way
13
Anil Menon
1
Buzz Aldrin
1
Oceans
31
Deniz Burnham
1
Prizes, Challenges & Crowdsourcing News
10
Exploration Ground Systems
15
SOHO (Solar and Heliospheric Observatory)
4
Flight Innovation
23
STS-9
2
Helios 1
1
Lunar Trailblazer
4
NASA History
140
Supermassive Black Holes
17
Virgil I. Grissom
2
Active Galaxies
12
Astromaterials
5
Commercial Space Programs
20
Partner with NASA STEM
7
Eileen M. Collins
2

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