Differences Fall Away Like Sand on Titan

Differences Fall Away Like Sand on Titan

Using spherical grains called ooids, found on Earth in shallow, tropical waters, scientists have found a possible mechanism for the formation of hydrocarbon sand on Titan. Plus, rocket launches, Jupiter and Mars, space explosions, and this week in rocket history, we look back at Britain’s Ariel satellite program.

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Stellar Death Just Got More Lit

Stellar Death Just Got More Lit

Remember that new object, COW, named for a strange supernova? We’ve seen four more of these Fast Blue Optical Transits, and new research may even have figured out just how and why they occur. Plus, Crew-4 launches, a bunch of planetary science news, micronovae, and this week in rocket history, we look back at the San Marco program.

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Climate Change Affects the Birds and the Bees

Climate Change Affects the Birds and the Bees

From plastics invading the Arctic Ocean to the changing morphology of birds in response to rising temperatures and the problems with pathogens killing off pollinators like bees, we examine some of the effects of climate change on Earth’s ecosystems. Plus, Ganymede, moonlight, solar cells, and this week in rocket history, we look back at STS-83.

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Rising Oxygen Levels of Past Earth May Help in Search for Life

Rising Oxygen Levels of Past Earth May Help in Search for Life

Scientists analyzed iron-rich sedimentary rocks and estimated the amount of oxygen present in the atmosphere when those rocks formed, finding low levels of oxygen and giving insight into a potential biosignature for life beyond Earth. Plus, controlling robots from space, a SpaceX launch, and this week’s What’s Up.

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