In celebration of the 250th birthday of the United States, NASA has unveiled four cosmic images from its Chandra X-ray Observatory, rendered in red, white and blue, that represent the wonders of the universe the agency explores. ...
Astronomy
Jun 30, 2026
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Researchers are closer to unraveling a longstanding solar mystery surrounding the extreme thinness of the sun's tachocline layer of strong shearing motion—a region believed to be critical for creating the violent eruptions ...
Astronomy
Jul 8, 2026
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Peering far into the distant, high-redshift universe, the James Webb telescope has discovered an abundance of small red galaxies known as the Little Red Dots. From their observations, astronomers believe that at least some ...
Astronomy
Jun 30, 2026
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Astronomers spend much of their time mapping the universe, but until now their results have been collected and archived in so many different ways that the data can't talk to each other.
Astronomy
Jul 8, 2026
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When neutron stars merge, they create a powerful explosion called a kilonova that flings out neutron-rich material, some of which decays into heavy elements through a process called the r-process. Recent observations of kilonovae ...
Sub-Neptunes are the most common type of planet in our galaxy. Bigger than Earth but smaller than Neptune, these worlds remain deeply mysterious because scientists still do not know what they are made of. What astronomers ...
Astronomy
Jul 10, 2026
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For decades, astronomers have cast galaxy mergers as the universe's ultimate relationship drama: two galaxies collide, chaos erupts, black holes awaken and star formation comes to a screeching halt. Upending this long-held ...
Astronomy
Jul 21, 2026
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A careful statistical comparison of observations recorded by NASA's Juno mission and the Planetary Science Institute's Io Input Output observatory (IoIO) shows that IoIO observations reliably predict the density of Jupiter's ...
Astronomy
Jul 24, 2026
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There are parts of the universe that are extremely hard to see, even for our most advanced telescopes. Gas and dust don't emit light and are visible only by the light they block from stars and galaxies. Magnetic fields are ...
Astronomy
Jul 14, 2026
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Blue and white stars shine brilliantly against a crimson background of glowing gas in this July 3, 2026, image of stellar nursery LH 95 from NASA's Hubble Space Telescope.
Astronomy
Jul 14, 2026
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