The Universe

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Chandra X-Ray Observatory
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Uncategorized

NASA Finds Young Stars Dim in X-rays Surprisingly Quickly

Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA’s Chandra X-ray Observatory. A paper describing the results published Monday in The Astrophysical Journal.
Posted April 14, 2026
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Spiral Galaxies
The Universe

Hubble Spies an Active Spiral

A luminous swirl set against the deep black of space, the barred spiral galaxy IC 486 glows with a soft, ethereal light in this new NASA Hubble Space Telescope image. IC 486 lies right on the edge of the constellation Gemini (the Twins), around 380 million light-years from Earth. Classified as a barred spiral galaxy, […]
Posted April 13, 2026
Chandra X-Ray Observatory
IXPE (Imaging X-ray Polarimetry Explorer)
Marshall Space Flight Center
Supernova Remnants
Supernovae
The Universe
XMM-Newton (X-ray Multi-Mirror Newton)

NASA X-Ray Mission Gets Fresh Look at 2,000-Year-Old Supernova

NASA’s IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in a fuller picture of what other telescopes have observed.
Posted March 24, 2026
Goddard Space Flight Center
Nancy Grace Roman Space Telescope
The Universe

NASA’s Roman Observatory Passes Final Major Prelaunch Tests

NASA’s Nancy Grace Roman Space Telescope team recently blasted the observatory with extreme sound, shook it, and listened to its electronic hum. Roman passed all three assessments, which aimed to confirm that the observatory will withstand launch conditions and function as expected in space.
Posted March 19, 2026
Chandra X-Ray Observatory
Astrophysics
Fermi Gamma-Ray Space Telescope
Gamma-Ray Bursts
Hubble Space Telescope
Marshall Astrophysics
Marshall Space Flight Center
Neil Gehrels Swift Observatory
Neutron Stars
The Universe

NASA Discovers Crash of Extreme Stars in Unexpected Site

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an environment like this before — and it may help solve two outstanding cosmic mysteries. A paper describing these results […]
Posted March 10, 2026
Astrophysics
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Nebulae
Planetary Nebulae
Science & Research
The Universe

NASA’s Webb Examines Cranium Nebula

Two heads are better than one in the latest images from NASA’s James Webb Space Telescope, which reveal new detail in a mysterious, little-studied nebula surrounding a dying star.  Nebula PMR 1 is a cloud of gas and dust that bears an uncanny resemblance to a brain in a transparent skull, inspiring its nickname, the […]
Posted February 25, 2026
Chandra X-Ray Observatory
Astrophysics
Hubble Space Telescope
Marshall Astrophysics
Marshall Space Flight Center
Stars
The Universe

Young ‘Sun’ Caught Blowing Bubbles by NASA’s Chandra

For the first time, a much younger version of the Sun has been caught red-handed blowing bubbles in the galaxy, by astronomers using NASA’s Chandra X-ray Observatory. The bubble – called an “astrosphere” – completely surrounds the juvenile star. Winds from the star’s surface are blowing up the bubble and filling it with hot gas […]
Posted February 23, 2026
Astrophysics
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Science & Research
Spiral Galaxies
Stars
Supernovae
The Universe

NASA’s Webb Telescope Locates Former Star That Exploded as Supernova

Forty million years ago, a star in a nearby galaxy exploded, spewing material across space and generating a brilliant beacon of light. That light traveled across the cosmos, reaching Earth June 29, 2025, where it was detected by the All-Sky Automated Survey for Supernovae.
Posted February 23, 2026
Nancy Grace Roman Space Telescope
Dark Energy
Dark Matter
Galaxies
Goddard Space Flight Center
The Milky Way
The Universe

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side

The broadest planned survey by NASA’s upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the cosmos. After Roman launches as soon as this fall, scientists will use these sparkly beacons to study the universe’s shadowy underpinnings: dark matter and dark energy.
Posted February 10, 2026
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59
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91
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157
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6
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6
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23
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76
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7
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6
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2
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64
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11
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10
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394
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32
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41
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2
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108
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26
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17
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14
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6
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2
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1
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14
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21
Media Resources
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37
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18
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7
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14
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29
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238
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114
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8
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22
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75
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7
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29
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3
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54
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13
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3
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22
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42
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5
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7
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4
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4
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3
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45
NASA Innovative Advanced Concepts (NIAC) Program
28
Origin & Evolution of the Universe
18
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5
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37
What We Do
10
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29
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27
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