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Space Exploration 10 hours ago

'Tube map' around planets and moons made possible by knot theory

Just as sat-nav did away with the need to argue over the best route home, scientists from the University of Surrey have developed a new method to find the optimal routes for future space missions without the need to waste ...

Social Sciences 10 hours ago

The beginnings of modern science shaped how philosophers saw alien life—and how we understand it today

Speculation about extraterrestrials is not all that new. There was a vibrant debate in 17th-century Europe about the existence of life on other planets.

Astrobiology 10 hours ago

Saturn's ocean moon Enceladus could support life—researchers are working out how to detect extraterrestrial cells there

Saturn has 146 confirmed moons—more than any other planet in the solar system—but one called Enceladus stands out. It appears to have the ingredients for life.

Planetary Sciences 13 hours ago

James Webb Space Telescope data pinpoint possible aurorae on a cold brown dwarf

Using new observations from the James Webb Space Telescope (JWST), astronomers have discovered methane emission on a brown dwarf, an unexpected finding for such a cold and isolated world. Published in the journal Nature, ...

Planetary Sciences Apr 16, 2024

The history of the young cold traps of the asteroid Ceres

Ceres, the largest asteroid in our solar system, harbors a dark secret: extremely young ice deposits in permanently shadowed craters near its poles. If that sounds vaguely familiar, it's because our moon and planet Mercury ...

Planetary Sciences Apr 16, 2024

Dating the solar system's giant planet orbital instability using enstatite meteorites

Evidence from the fragments of a destroyed asteroid suggests that the shift in the positions of the giant planets in our solar system billions of years ago happened between 60–100 million years after the solar system's ...

Astronomy Apr 16, 2024

A solar neighborhood census, thanks to NASA citizen science

To take a census of nearby cosmic objects, sending out a survey won't work. Scientists need to use many telescopes with different specializations to chart what is in the general neighborhood of the sun.