A two-armed space robot blasted off on a private salvage operation Tuesday to slap life-extending jetpacks on old satellites running low on fuel thousands of miles up.
Space Exploration
Jul 22, 2026
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115
A Southwest Research Institute and University of Texas at San Antonio experiment has passed a critical NASA review, designating it ready for parabolic flight testing. The two institutions will evaluate the performance of ...
Space Exploration
Jul 21, 2026
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10
According to current understanding, the universe is expanding—and is doing so at an accelerating rate. This is believed to be caused by something called the cosmological constant, which was first proposed by Albert Einstein ...
Astronomy
Jul 21, 2026
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Mysterious high-speed "bullets"—clumps of possibly oxygen-rich gas traveling at up to 20 million miles per hour—have been discovered shooting out of the rarest stellar explosion in our galaxy.
Astronomy
Jul 21, 2026
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71
Scientists at the University of California, Riverside, have developed a new way to help gravitational-wave observatories see farther into the universe by solving one of their biggest challenges: tiny heat-induced distortions ...
Astronomy
Jul 21, 2026
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99
A black hole may be stirring a "pot" of gas containing a neighboring galaxy in the early universe, according to a new study published in Astronomy & Astrophysics that used observations from NASA's Chandra X-ray Observatory. ...
Astronomy
Jul 21, 2026
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21
As of July 20, the public can access data from the two powerful radar instruments aboard the NISAR (NASA-ISRO Synthetic Aperture Radar) satellite. Teams in the United States and India will release files processed from the ...
Planetary Sciences
Jul 21, 2026
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16
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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14
The star that formed the Jellyfish nebula may have had a partner star that exploded 100,000 years earlier, according to international researchers, who say that this may be the first known discovery of a binary star system ...
Astronomy
Jul 21, 2026
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301
Stars and galaxies make up much of the universe's ordinary, observable matter. But for decades, scientists have wrestled with a cosmic conflict: There should be much more.
Astronomy
Jul 21, 2026
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