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Suspected Second-generation Planet Solves NASA Hubble Cold Case
5 min read

New analysis of archival Hubble data points to the possibility of "dead" white dwarf stars hosting second-generation planetary systems.

Oct 5, 2026
Article
HS 0209+0832 System (Artist’s Concept)
1 min read

This artist's concept depicts a possible explanation for the unusual chemical abundances Hubble Space Telescope detected in the HS 0209+0832…

Oct 5, 2026
Image
Hubble Spectrum of White Dwarf HS 0209+0832
1 min read

NASA's Hubble Space Telescope spectrum shows the unusual abundances of certain elements it found in the HS 0209+0832 system.

Oct 5, 2026
Image
White Dwarf HS 0209+0832 over Time (Artist’s Concept)
1 min read

This artist's concept, not to scale, imagines the evolution of a Sun-like star (1) into an aging red giant (2)…

Oct 5, 2026
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Helix Nebula Mini Poster
1 min read

Download and print a mini poster featuring an image of the Helix Nebula, captured in 2024 by NASA's James Webb…

Jul 8, 2026
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NASA’s Webb Studies How Planet Survived Death of its Star
6 min read

NASA’s James Webb Space Telescope is giving us new insight into the far-future of solar systems like our own, as…

Jul 1, 2026
Article
Exoplanet WD 1856 b (Artist’s Concept)
1 min read

Exoplanet WD 1856 b, shown in this artist’s concept, is a gas giant that orbits its star at a distance…

Jul 1, 2026
Image
Helix Nebula (NIRCam)
1 min read

This new image of a portion of the Helix Nebula from NASA’s James Webb Space Telescope highlights comet-like knots, fierce…

Jan 20, 2026
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Helix Nebula Context (VISTA and Webb)
1 min read

This image of the Helix Nebula from the Visible and Infrared Telescope for Astronomy (left) shows the full view of…

Jan 20, 2026
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Article
4 Min Read

NASA’s Webb Traces Details of Complex Planetary Nebula

Article
5 Min Read

With NASA’s Webb, Dying Star’s Energetic Display Comes Into Full Focus

Article
5 Min Read

Astronomers Catch Unprecedented Features at Brink of Active Black Hole

Article
2 Min Read

NASA’s NEOWISE Spacecraft Re-Enters Atmosphere, But More Discoveries Await!

Multimedia

In this illustration, an asteroid (bottom left) breaks apart under the powerful gravity of LSPM J0207+3331, the oldest, coldest white dwarf known to be surrounded by a ring of dusty debris.
This artist concept illustrates a comet being torn to shreds around a dead star, or white dwarf, called G29-38. NASA Spitzer Space Telescope observed a cloud of dust around this white dwarf that may have been generated from comet disruption.
This plot of data from NASA Spitzer Space Telescopes shows that asteroid dust around a dead white dwarf star contains silicates -- a common mineral on Earth.
This chart shows data from NASA Kepler space telescope, which looks for planets by monitoring changes in the brightness of stars. As planets orbit in front of a star, they block the starlight, causing periodic dips.
This artist concept shows hundreds of brown dwarfs deep red, expected to be added to the population of known stars in our solar neighborhood. Our sun and other known stars appear white, yellow or red.
NASA Spitzer Space Telescope set its infrared eyes upon the dusty remains of shredded asteroids around several dead stars. This artist concept illustrates a white dwarf, surrounded by the bits and pieces of a disintegrating asteroid.
This artist concept shows a hypothetical rejuvenated planet,a gas giant that has reclaimed its youthful infrared glow. NASA Spitzer Space Telescope found tentative evidence for one such planet around a dead star, or white dwarf, called PG 0010+280.
This artist concept depicts an ultra-dense dead star, called a white dwarf, passing in front of a small red star. NASA planet-hunting Kepler was able to detect gravitational lensing by measuring a strangely subtle dip in the star brightness.
This chart illustrates relative masses of super-dense cosmic objects, ranging from white dwarfs to supermassive black holes encased in the cores of most galaxies. The first three dead stars left all form when stars more massive than our sun explode.
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