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WELCOME TO THE UNIVERSE

Explore the universe: Learn about the history of the universe, what it's made
of, and so much more.
Age of the Universe
13.8 billion years
Confirmed galaxies
Up to 200 billion
Last observed supernova in Milky Way
1604
Closest known black hole
~1,500 light-years
MORE



NEWS & FEATURES

A new satellite called XRISM (X-ray Imaging and Spectroscopy Mission) aims to
pry apart high-energy light into the equivalent of an X-ray rainbow.

XRISM Mission To Study ‘Rainbow' of X-rays
nasa.gov
A young planet whirling around a petulant red dwarf star is changing in
unpredictable ways orbit-by-orbit.

Hubble Sees Evaporating Planet Getting the Hiccups
nasa.gov
The discovery of the most distant galaxy cluster is providing insight into how
these gigantic structures formed and why the universe looks like it does.

Unexpectedly Calm and Remote Galaxy Cluster Discovered
nasa.gov
Engineers and scientists have shipped NASA’s ComPair instrument to Fort Sumner,
New Mexico, ahead of its scheduled August flight early in NASA’s 2023 fall
balloon campaign.

NASA's ComPair Gamma-Ray Hunting Mission Prepares for Balloon Flight
nasa.gov
Scientists have found evidence of a universal background of gravitational waves,
or ripples in the fabric of space-time.

15 Years of Radio Data Reveals Evidence of Space-Time Murmur
nasa.gov
The two instruments aboard Euclid, an ESA spacecraft with NASA contributions,
have captured their first test images.

Euclid Mission to Study Dark Universe Takes First Test Images
nasa.gov
New research by scientists from NASA and Japan’s Osaka University suggests that
rogue planets – worlds that drift through space untethered to a star – far
outnumber planets that orbit stars.

New Study Reveals NASA's Roman Could Find 400 Earth-Mass Rogue Planets
nasa.gov
A new satellite called XRISM (X-ray Imaging and Spectroscopy Mission) aims to
pry apart high-energy light into the equivalent of an X-ray rainbow.

XRISM Mission To Study ‘Rainbow' of X-rays
nasa.gov
A young planet whirling around a petulant red dwarf star is changing in
unpredictable ways orbit-by-orbit.

Hubble Sees Evaporating Planet Getting the Hiccups
nasa.gov
The discovery of the most distant galaxy cluster is providing insight into how
these gigantic structures formed and why the universe looks like it does.

Unexpectedly Calm and Remote Galaxy Cluster Discovered
nasa.gov
Engineers and scientists have shipped NASA’s ComPair instrument to Fort Sumner,
New Mexico, ahead of its scheduled August flight early in NASA’s 2023 fall
balloon campaign.

NASA's ComPair Gamma-Ray Hunting Mission Prepares for Balloon Flight
nasa.gov
Scientists have found evidence of a universal background of gravitational waves,
or ripples in the fabric of space-time.

15 Years of Radio Data Reveals Evidence of Space-Time Murmur
nasa.gov
The two instruments aboard Euclid, an ESA spacecraft with NASA contributions,
have captured their first test images.

Euclid Mission to Study Dark Universe Takes First Test Images
nasa.gov
PreviousNext


IMAGE OF THE MONTH


RHO OPHIUCHI

To celebrate the completion of a successful first year, NASA’s James Webb Space
Telescope has released an image of a small star-forming region in the Rho
Ophiuchi cloud complex.

View and Download



CEERS: FLIGHT TO MAISIE'S GALAXY


This 3D visualization portrays about 5,000 galaxies within a small portion of
the CEERS (Cosmic Evolution Early Release Science) Survey, which gathered data
from a region known as the Extended Groth Strip.
1:16 Video


EXPLORE THE UNIVERSE

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HOME


UNIVERSE

 *  * Basics
    * Building Blocks
    * Forces
    * Gallery


GALAXIES

 *  * Basics
    * Types
    * Evolution
    * Large Scale Structures
    * Gallery


BLACK HOLES

 *  * Basics
    * Types
    * Anatomy
    * Gallery


STARS

 *  * Basics
    * Types
    * Multiple Star Systems
    * Planetary Systems
    * Gallery


EXPLORATION

 *  * Observatories
    * Sensing the Universe
    * Telescopes 101


MORE

 *  * News & Features
    * Resources
    * Glossary
    * Black Hole Week

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This site is maintained by the Astrophysics Communications teams at NASA's
Goddard Space Flight Center and NASA's Jet Propulsion Laboratory for NASA's
Science Mission Directorate.

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