Auroras lit up skies across swaths of the planet for the second night in a row on Saturday, after already dazzling Earthlings from the United States to Tasmania to the Bahamas the day before.
Planetary Sciences
17 hours ago
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An experimental spy satellite that was deemed "lost" after eluding detection for decades has finally been found. "The S73-7 satellite has been rediscovered after being untracked for 25 years," astrophysicist Jonathan McDowell ...
Space Exploration
May 8, 2024
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30
Two NASA pathfinding missions were recently deployed into low-Earth orbit, where they are demonstrating novel technologies for observing atmospheric gases, measuring freshwater, and even detecting signs of potential volcanic ...
Planetary Sciences
May 2, 2024
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16
By analyzing the data from ESA's Gaia satellite, Chinese astronomers have detected a new tidal stellar stream in the northern hemisphere, which has a low metallicity and a relatively high energy. The finding was reported ...
A reaction wheel—one of the heaviest parts of a space mission, its changing rotation used to shift a satellite's orientation—seen in a plasma wind tunnel belonging to the High Enthalpy Flow Diagnostics Group (HEFDiG) ...
Space Exploration
Apr 11, 2024
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The US and Japan are sponsoring a resolution for debate by the United Nations security council which—if passed—will reaffirm international commitments to the 1967 outer space treaty (OST) forbidding the deployment and ...
Space Exploration
Apr 8, 2024
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25
In the dark, early morning sky of March 21 over NASA's Wallops Island Flight Facility on the Virginia coast, a Rocket Lab Electron rocket carried a National Reconnaissance Office (NRO) manifest featuring three collaborative ...
Space Exploration
Mar 28, 2024
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15
This densely populated group of stars is the globular cluster NGC 1841, which is part of the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way galaxy that lies about 162,000 light-years away. Satellite galaxies ...
Astronomy
Mar 1, 2024
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79
A Russian rocket on Thursday successfully put an Iranian satellite into orbit, a launch that underlined increasingly close cooperation between Moscow and Tehran.
Space Exploration
Feb 29, 2024
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5
Following a hugely successful mission and almost 30 years in orbit, ESA's ERS-2 reentered Earth's atmosphere at approximately 18:17 CET (17:17 UTC) on 21 February 2024.
Astronomy
Feb 26, 2024
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