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Planetary Sciences Jun 20, 2024

Iron meteorites hint that our infant solar system was more doughnut than dartboard

Four and a half billion years ago, our solar system was a cloud of gas and dust swirling around the sun, until gas began to condense and accrete along with dust to form asteroids and planets. What did this cosmic nursery, ...

Earth Sciences Jun 20, 2024

Defunct satellites burning up in the atmosphere could damage the ozone layer

Communications companies such as Starlink plan to launch tens of thousands of satellites into orbit around Earth over the next decade or so. The growing swarm is already causing problems for astronomers, but recent research ...

Planetary Sciences Jun 17, 2024

Study of meteorite 'Northwest Africa 14250' reveals composition of the early solar system

A multi-institutional team of planetary scientists has learned more about the early composition of the solar system by studying a meteorite named Northwest Africa 14250. In their study, published in the journal Science Advances, ...

Planetary Sciences Jun 14, 2024

Quebec lake meteorite impact yields rare rocks and evidence of extreme heat

For more than a decade, Western University planetary geologist Gordon "Oz" Osinski has led expeditions to Kamestastin Lake in Labrador. The environment is a perfect training ground because the properties and rock formations—created ...

Environment Jun 5, 2024

UN chief urges fossil fuel ad ban as heat records pile up

Humans are as dangerous to Earth as the meteorite that drove dinosaurs to extinction, the UN chief said Wednesday, urging an end to fossil fuel ads after 12 months that were the hottest on record.

Planetary Sciences May 31, 2024

Martian meteorites deliver a trove of information on red planet's structure

Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and colleagues have analyzed ...

Astrobiology May 31, 2024

Cryovolcanism: Why study it? What can it teach us about finding life beyond Earth?

Universe Today has had the privilege of spending the last several months venturing into a multitude of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, ...

Astronomy May 30, 2024

Black Holes: Why study them? What makes them so fascinating?

Over the last few months, Universe Today has explored a plethora of scientific fields, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, planetary geophysics, ...

Astrobiology May 27, 2024

Could Martian atmospheric samples teach us more about the red planet than surface samples?

NASA is actively working to return surface samples from Mars in the next few years, which they hope will help us better understand whether ancient life once existed on the red planet's surface billions of years ago. But what ...

Cell & Microbiology May 24, 2024

Observing mammalian cells with superfast soft X-rays

Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or ...

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