Search

NASA+

Search

Suggested Searches

Climate Change
Artemis
Expedition 64
Mars perseverance
SpaceX Crew-2
International Space Station
View All Topics A-Z

Home
Missions
Humans in Space
Earth
The Solar System
The Universe
Science
Aeronautics
Technology
Learning Resources
About NASA
Español

News & Events
Multimedia
NASA+

Featured

Image shows a man holding a horseshoe crab.

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

article3 days ago

Hubble Spies Cosmic Pillar in Eagle Nebula

Hubble Spies Cosmic Pillar in Eagle Nebula

article7 days ago

Science Meets Art: NASA Astronaut Don Pettit Turns the Camera on Science

article1 week ago

Missions

Search All NASA Missions
A to Z List of Missions
Upcoming Launches and Landings
Spaceships and Rockets
Communicating with Missions
Artemis
James Webb Space Telescope
Hubble Space Telescope
International Space Station
OSIRIS-Rex

Humans in Space

Why Go to Space
Astronauts
Commercial Space
Destinations
Spaceships and Rockets
Living in Space

Earth

Explore Earth Science
Climate Change
Earth, Our Planet
Earth Science in Action
Earth Multimedia
Earth Data
Earth Science Researchers

The Solar System

The Sun
Mercury
Venus
Earth
The Moon
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto & Dwarf Planets
Asteroids, Comets & Meteors
The Kuiper Belt
The Oort Cloud
Skywatching

The Universe

Exoplanets
The Search for Life in the Universe
Stars
Galaxies
Black Holes
The Big Bang
Dark Energy
Dark Matter

Science

Earth Science
Planetary Science
Astrophysics & Space Science
The Sun & Heliophysics
Biological & Physical Sciences
Lunar Science
Citizen Science
Astromaterials
Aeronautics Research
Human Space Travel Research

Aeronautics

Science in the Air
NASA Aircraft
Flight Innovation
Supersonic Flight
Air Traffic Solutions
Green Aviation Tech
Drones & You

Technology

Technology Transfer & Spinoffs
Space Travel Technology
Technology Living in Space
Manufacturing and Materials
Robotics
Science Instruments
Computing

Learning Resources

For Kids and Students
For Educators
For Colleges and Universities
For Professionals
Science for Everyone
Requests for Exhibits, Artifacts, or Speakers
STEM Engagement at NASA

About NASA

NASA's Impacts
Centers and Facilities
Directorates
Organizations
People of NASA
Careers
Internships
Our History
Doing Business with NASA
Get Involved
Contact

NASA en Español

Ciencia
Aeronáutica
Ciencias Terrestres
Sistema Solar
Universo

News & Events

News Releases
Recently Published
Video Series on NASA+
Podcasts
Blogs
Newsletters
Social Media
Media Resources
Events
Upcoming Launches & Landings
Virtual Guest Program

Multimedia

NASA+
Images
NASA Live
NASA Apps
Podcasts
Image of the Day
e-Books
Sounds and Ringtones
Interactives
STEM Multimedia
NASA Brand & Usage Guidelines

Featured

Hubble Spies Cosmic Pillar in Eagle Nebula

Hubble Spies Cosmic Pillar in Eagle Nebula

article 7 days ago

NASA’s Curiosity Rover May Have Solved Mars’ Missing Carbonate Mystery

NASA’s Curiosity Rover May Have Solved Mars’ Missing Carbonate Mystery

article 1 week ago

NASA’s Chandra Releases New 3D Models of Cosmic Objects

NASA’s Chandra Releases New 3D Models of Cosmic Objects

article 1 week ago

Highlights

NASA Marshall Fires Up Hybrid Rocket Motor to Prep for Moon Landings

NASA Marshall Fires Up Hybrid Rocket Motor to Prep for Moon Landings

article 7 hours ago

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

article 12 hours ago

NASA Glenn to Test Air Quality Monitors Aboard Space Station

NASA Glenn to Test Air Quality Monitors Aboard Space Station

article 7 days ago

Highlights

NASA Tracks Snowmelt to Improve Water Management

NASA Tracks Snowmelt to Improve Water Management

article 7 hours ago

NASA Airborne Sensor’s Wildfire Data Helps Firefighters Take Action

NASA Airborne Sensor’s Wildfire Data Helps Firefighters Take Action

article 2 days ago

Celebrating Earth as Only NASA Can

Celebrating Earth as Only NASA Can

article 4 days ago

Highlights

Donaldjohanson

Donaldjohanson

article 9 hours ago

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

article 12 hours ago

NASA’s Roman Mission Shares Detailed Plans to Scour Skies

NASA’s Roman Mission Shares Detailed Plans to Scour Skies

article 12 hours ago

Featured

NASA’s Roman Mission Shares Detailed Plans to Scour Skies

NASA’s Roman Mission Shares Detailed Plans to Scour Skies

article 12 hours ago

Standard Definition and Evaluation Team

Standard Definition and Evaluation Team

article 1 day ago

Swift

Swift

article 2 days ago

Highlights

NASA Tracks Snowmelt to Improve Water Management

NASA Tracks Snowmelt to Improve Water Management

article 7 hours ago

Amendment 121: E.9 Space Biology Advanced Plant Habitat No Longer Available for Proposed ISS-Studies.

Amendment 121: E.9 Space Biology Advanced Plant Habitat No Longer Available for Proposed ISS-Studies.

article 12 hours ago

2025 EGU Hyperwall Schedule

2025 EGU Hyperwall Schedule

article 13 hours ago

Highlights

NASA, Boeing, Consider New Thin-Wing Aircraft Research Focus

NASA, Boeing, Consider New Thin-Wing Aircraft Research Focus

article 11 hours ago

NASA Tests Ultralight Antennas to Benefit Future National Airspace

NASA Tests Ultralight Antennas to Benefit Future National Airspace

article 3 days ago

A Fond Farewell: NASA’s C-130 Begins New Mission in California

A Fond Farewell: NASA’s C-130 Begins New Mission in California

article 6 days ago

Highlights

NASA Engineering Sparks Innovative New Battery

NASA Engineering Sparks Innovative New Battery

article 15 hours ago

Nine Finalists Advance in NASA’s Power to Explore Challenge

Nine Finalists Advance in NASA’s Power to Explore Challenge

article 2 days ago

2024 NASA Power to Explore Contest Winners

2024 NASA Power to Explore Contest Winners

article 4 days ago

Featured

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

NASA Tests Key Spacesuit Parts Inside This Icy Chamber

article 12 hours ago

Earth Day 2025: Posters and Virtual Backgrounds

Earth Day 2025: Posters and Virtual Backgrounds

article 4 days ago

Building for a Better World: Norfolk Students Bring STEM to Life with NASA Partnership

Building for a Better World: Norfolk Students Bring STEM to Life with NASA Partnership

article 1 week ago

Featured

NASA Tests Ultralight Antennas to Benefit Future National Airspace

NASA Tests Ultralight Antennas to Benefit Future National Airspace

article 3 days ago

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

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

article 2 days ago

Going Home: NASA Retires S-3B Viking to POW/MIA Museum

Going Home: NASA Retires S-3B Viking to POW/MIA Museum

article 1 week ago

Highlights

El X-59 de la NASA completa las pruebas electromagnéticas

El X-59 de la NASA completa las pruebas electromagnéticas

article 1 month ago

Mejores imágenes de Ciencia en la estación espacial 2024

Mejores imágenes de Ciencia en la estación espacial 2024

article 2 months ago

La NASA identifica causa de pérdida de material del escudo térmico de Orion de Artemis I

La NASA identifica causa de pérdida de material del escudo térmico de Orion de Artemis I

article 5 months ago

Sitemap

December 24, 2015

Home
Sitemap
2015
12
December 24, 2015

Radar Image of ‘Christmas Eve’ Asteroid 2003 SD2020
Elongated Asteroid Will Safely Pass Earth on Christmas Eve

National Aeronautics and Space Administration

NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

About NASA's Mission

Home
News & Events
Multimedia
NASA+
Missions
Humans in Space
Earth
The Solar System
The Universe
Science
Aeronautics
Technology
Learning Resources
About NASA
NASA en Español

Follow NASA

More NASA Social Accounts
NASA Newsletters

Sitemap
For Media
Privacy Policy
FOIA
No FEAR Act
Office of the IG
Budget & Annual Reports
Agency Financial Reports
Contact NASA
Accessibility

Responsible NASA Official:

Abigail Bowman