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Astrobiology Mar 19, 2024

Planetary geophysics: What is it? What can it teach us about finding life beyond Earth?

Universe Today has examined the importance of studying impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, and planetary atmospheres, and how these intriguing scientific disciplines can help ...

Space Exploration Mar 18, 2024

As Voyager 1's mission draws to a close, one planetary scientist reflects on its legacy

For nearly 50 years, NASA's Voyager 1 mission has competed for the title of deep space's little engine that could. Launched in 1977 along with its twin, Voyager 2, the spacecraft is now soaring more than 15 billion miles ...

Other Mar 16, 2024

Saturday Citations: The volcanoes of Mars; Starship launched; 'Try our new menu item,' say Australian researchers

You never can tell when planetary scientists are going to discover a new giant volcano on Mars, but when it happens, I step out to the porch and raise my Lunar and Planetary Society Core-Mantle Boundary Rift Discovery flag ...

Planetary Sciences Mar 14, 2024

What can we learn flying through the plumes at Enceladus?

In the next decade, space agencies will expand the search for extraterrestrial life beyond Mars, where all of our astrobiology efforts are currently focused. This includes the ESA's JUpiter ICy moon's Explorer (JUICE) and ...

Astronomy Mar 11, 2024

Saturn's moon is a testing ground to gain a better understanding of the methane molecule

Titan is the second-largest moon in the solar system and the only one with a dense atmosphere. At the top of this atmosphere, rich in nitrogen and methane, the sun's radiation produces a great diversity of organic molecules, ...

Space Exploration Mar 11, 2024

Astra Space goes private as it recovers from Space Coast launch failures

The value of publicly traded Astra Space has been falling since it shelved a rocket design that only went for 2 for 7 on launches, including two highly visible failures from the Space Coast. Now the company is going private.

Planetary Sciences Mar 9, 2024

Jupiter's moon Europa produces less oxygen than we thought—it may affect our chances of finding life there

Jupiter's icy moon Europa has long been thought of as one of the most habitable worlds in the Solar System. Now the Juno mission to Jupiter has directly sampled its atmosphere in detail for the first time. The results, published ...

Paleontology & Fossils Mar 8, 2024

Titanosaurs were the biggest land animals Earth's ever seen, combining reptile and mammal traits

You're probably familiar with classic sauropod dinosaurs—the four-legged herbivores famous for their long necks and tails. Animals such as Brachiosaurus, Apatosaurus and Diplodocus have been standard fixtures in science ...

Evolution Mar 5, 2024

Fossils of giant sea lizard with dagger-like teeth show how our oceans have fundamentally changed since the dinosaur era

Paleontologists have discovered a strange new species of marine lizard with dagger-like teeth that lived near the end of the age of dinosaurs. Their findings, published in Cretaceous Research, show a dramatically different ...

Earth Sciences Mar 4, 2024

Hidden 'star' sand dune mystery solved by ancient find

Scientists have solved the mysterious absence of star-shaped dunes from Earth's geological history for the first time, dating one back thousands of years.

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