Rivers have flowed on two other worlds in the solar system besides Earth: Mars, where dry tracks and craters are all that's left of ancient rivers and lakes, and Titan, Saturn's largest moon, where rivers of liquid methane ...
Planetary Sciences
Jul 10, 2023
0
1309
An international team of astronomers reports the discovery of two new sub-Neptune exoplanets using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound alien worlds, designated TOI-2084 b and TOI-4184 b, orbit ...
Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced to eventually give rise to the planets, moons, and asteroids we see today.
Planetary Sciences
Jul 5, 2023
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3332
The Rosetta orbiter spectrometer for ion and neutral analysis (ROSINA) instrument orbited comet 67P to revolutionize our understanding of cometary material composition. A key finding of the satellite was to explore the composition ...
A study led by Brown University researchers offers new insights into how water from melting ice could have played a recent role in the formation of ravine-like channels that cut down the sides of impact craters on Mars.
Astrobiology
Jun 29, 2023
0
180
When our sun reaches the end of its life, it will expand to 100 times its current size, enveloping the Earth. Many planets in other solar systems face a similar doom as their host stars grow old. But not all hope is lost, ...
Planetary Sciences
Jun 28, 2023
48
596
An international team of astronomers reports the discovery of a new mini-Neptune exoplanet orbiting a nearby star. The newfound alien world, designated TOI-2018 b, is about two times larger and nine times more massive than ...
A team of planetary scientists from Belgium, the U.S., France and Germany has found evidence from the InSight lander that suggests Mars has an all-liquid core and internal mass anomalies. In their paper published in the journal ...
Harvard University led research may have solved the puzzle of how life became molecularly right-handed. In the paper, "Origin of biological homochirality by crystallization of an RNA precursor on a magnetic surface," published ...
The search for extraterrestrial life in our solar system just got more exciting. A team of scientists including Southwest Research Institute's Dr. Christopher Glein has discovered new evidence that the subsurface ocean of ...
Astrobiology
Jun 14, 2023
0
768
