WASHINGTON — A Senate committee has delayed consideration of a bill intended to expedite Federal Communications Commission reviews of satellite license applications amid concerns that the proposal may be too
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Quasi-periodic oscillations (QPOs) are a rare phenomenon in active galactic nuclei. They have been observed to occur at periods ranging from minutes to hours, days, weeks, and even years across
Mercury, as seen by NASA’s MESSENGER orbiter. Through a new analysis of MESSENGER’s images, researchers have found surprising geological activity on our solar system’s innermost planet. Image via NASA. EarthSky’s
SAR11 bacteria comprise some 40% of marine bacterial cells, making them an essential part of our ocean ecosystems. (Image source: Smithsonian / Xiaowei Zhao.) A group of ocean bacteria long
Pictured from left: Roscosmos cosmonaut Andrey Fedyaev, NASA astronauts Jack Hathaway and Jessica Meir, and ESA (European Space Agency) astronaut Sophie Adenot. Credit: NASA NASA’s SpaceX Crew-12 mission is preparing
Following the recent setback of Booster 18 during a pressure assessment, SpaceX has made significant strides in its Starship Program by successfully stacking Booster 19, which sets a new operational
WASHINGTON — Developers of wildfire-detection satellites are moving beyond raw data delivery, adding tools that show firefighters and researchers when satellites will actually pass over the areas they are watching.
Source: The SLS launch vehicle, a detail of the HERA system installed in the Orion spacecraft, and Timepix chips NASA / SRAG-JSC / ADVACAM When, in February March 2026, the
A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers
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