Science

WASHINGTON — Japan’s H3 rocket successfully reached orbit on its second launch Feb. 16, nearly a year after its inaugural launch failed. The H3 rocket lifted off from the Tanegashima Space Center at 7:22 p.m. Eastern after a two-day delay caused by weather. There were no issues reported during the countdown, with liftoff occurring at
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In a mocking fluke of physics, Greenland – one of the main sources of meltwater flooding Earth’s shores – is actually rising faster than the rising oceans. The elevating bedrock is gradually birthing new land in Greenland’s sea including small islands and skerries, like Uunartoq Qeqertaq. Translating as ‘warming island’, this new 13 kilometer (8
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Last year a concerning study suggested one of Earth’s major ocean currents is racing towards collapse. Unfortunately, new data now backs that up. “The temperature, sea level and precipitation changes will severely affect society, and the climate shifts are unstoppable on human time scales,” the authors of the latest study warn in an article for
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WASHINGTON — The Department of the Air Force on Feb. 12 unveiled plans to reorganize Air Force and Space Force units, change personnel policy, training, operations and acquisitions.  Air Force Secretary Frank Kendall said priorities have to change for the era of “great power competition,” particularly with China. He discussed the planned  changes in a
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ORLANDO, Fla. — As rumors of a potential sale of United Launch Alliance reach a crescendo, the company’s chief executive argues the successful inaugural launch of its Vulcan rocket is a vindication of both the company’s technology and its transformation. Speaking at the SpaceCom conference here Jan. 31, ULA Chief Executive Tory Bruno said the
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MOUNTAIN VIEW, Calif. — Greece became the latest country to sign the Artemis Accords outlining best practices for sustainable space exploration Feb. 9. In a ceremony at the U.S. State Department, Giorgos Gerapetritis, Greece’s foreign minister, formally signed the Accords. The signing took place as part of a U.S.-Greece Strategic Dialogue meeting. “As humanity embarks
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Since the first detonation of an atomic bomb in 1945, more than 2,000 nuclear weapons tests have been conducted by eight countries: the United States, the Soviet Union, the United Kingdom, France, China, India, Pakistan and North Korea. Groups such as the Comprehensive Nuclear-Test-Ban Treaty Organization are constantly on the lookout for new tests. However,
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MOUNTAIN VIEW, Calif. — Small launch vehicle developers are working to carve out niches in a market for smallsat launches that is increasingly dominated by SpaceX’s Transporter rideshare missions. The Transporter missions, which fill a Falcon 9 often with more than 100 smallsats, offer per-kilogram prices significantly below dedicated small launch vehicles. SpaceX has seen
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