Once the largest telescope in the world, Arecibo kept watch for dangerous asteroids using radar. With it gone, the world is preparing the next generation of radar observatories.
Matthew R. Francis
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Spiral Waves May Explain the Sun’s Baffling Rotation
New observations and models show a connection between high-latitude waves in the Sun’s interior and the different rates of spin between the solar equator and poles.
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Did a Cosmic Explosion Make the Ionosphere Dance?
Researchers have linked a 2022 gamma ray burst to a disturbance in the upper atmosphere, but proving the connection highlights the problems with this kind of measurement.
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Five Martian Mysteries That Have Scientists Scratching Their Heads
Despite centuries of study and many spacecraft visits, the Red Planet still holds secrets. Here are just a few.
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Essential Ingredient for Life Found on Enceladus
Icy plumes from Saturn’s moon Enceladus contain phosphorus, part of the biochemistry of life—the first time the element has been found in a liquid environment beyond Earth.
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Magnetic Tangles Drive Solar Wind
Energetic collisions between magnetic fields produce gusty solar wind.
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(Probablemente) No podremos decir si Marte tiene vida
Los equipos de última generación no siempre pueden identificar la vida que habita en los lugares más parecidos a Marte en la Tierra, lo que hace que los científicos se pregunten cómo se se podría hacer mejor en el Planeta Rojo.
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We (Probably) Can’t Tell Whether Mars Has Life
State-of-the-art equipment can’t always identify life inhabiting the most Mars-like spot on Earth, leaving scientists wondering how to do better on the Red Planet.