Analysis of a meteorite that fell in Costa Rica shows that its parent body may resemble the asteroid Bennu.
weird & wonderful
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Gigantic Jet of Lightning Mapped over Oklahoma
The most powerful gigantic jet ever recorded fortuitously appeared over a sensor array in Oklahoma, enabling scientists to map the structure of the phenomenon for the first time.
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Shake, Rattle, and Probe
Helioseismology allows scientists to study the interior of the Sun, solve some basic physics mysteries, and forecast space weather.
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Pulsar Planets Are Exceedingly Rare
A new survey of hundreds of pulsars could help solve the mystery of why planets exist around these dead stars.
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Allen Foster: Greasing Telescope Gears During a 7-Month-Long Night
While overwintering in Antarctica, Foster maintains the South Pole Telescope facilities.
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Earth’s Wobbly Inner Core Illuminated by Nuclear Explosions
Shock waves from Cold War era nuclear tests gave seismologists a glimpse of the inner core. Its wobbly rotation could explain phenomena such as the periodic change in the length of a day.
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The First Look at Our New Astronomy Paradigm
Five galaxies, two nebulae, an exoplanet, and the early universe—JWST’s first images provide a cross section of the science yet to come.
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Holey Eclogite!
Scientists have found holes filled with minerals that indicate fluid-filled pores exist many tens of kilometers below Earth’s surface. But no, The Core fans, you still can’t get amethyst-laden geodes in the mantle.
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Unlocking the Magmatic Secrets of Antarctica’s Mount Erebus
Unprecedented images of Mount Erebus’s inner workings show the unique trappings of a CO2-rich rift volcano.
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Peeking at Peatlands: Satellite Data Fuel New Findings
Researchers are combining hard-to-get field measurements with satellite imagery to gain new insight into where peatlands are and how they work.