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Posts by
Paul Scott Anderson
News from Enceladus via Webb: A huge water plume!
NASA's Webb Space Telescope has observed the largest water plume on Enceladus ever seen. Details about the analysis results will be published in a new paper.
May 25, 2023
Weird comet in asteroid belt targeted by Webb
The Webb telescope has observed Comet Read, a weird comet in the main asteroid belt. Among the findings ... water vapor, yes. But carbon dioxide, no.
May 24, 2023
Distant volcano-covered world is the size of Earth
Astronomers say they have discovered an Earth-sized exoplanet 90 light-years away that may be a volcano-covered world, possibly as active as Jupiter's moon Io.
May 21, 2023
Evidence for ancient river on Mars in new rover images
NASA's Perseverance rover has spotted new signs of an ancient river on Mars, deeper and faster than any seen before. Curving layers of rocks provide the clues.
May 19, 2023
Saturn’s rings much younger than Saturn itself
How old are Saturn's rings? A new study suggests they're only about 400 million years old at most, much younger than Saturn itself. Dust provided new clues.
May 17, 2023
Moon’s inner core is solid, like Earth’s, scientists say
Researchers in France say that the moon's inner core is solid, with a density close to that of iron, solving a long-standing debate about the heart of the moon.
May 11, 2023
Oceans for 4 Uranus’ moons likely, astronomers say
A new study suggests oceans for 4 Uranus' moons. If true, they'd join a growing number of ocean worlds in the outer part of our solar system.
May 8, 2023
Webb finds water vapor near star with exoplanet
Astronomers using NASA's Webb Space Telescope have found signs of water vapor. But is it on a rocky exoplanet or the planet's star?
May 7, 2023
SETI Institute expands search for aliens with VLA
As part of SETI, astronomers are now using the Very Large Array radio telescope array in a comprehensive new search for radio signals from alien civilizations.
May 4, 2023
Marsquakes reveal Red Planet’s deep secrets
NASA's InSight lander provided seismic data from marsquakes that shows that Mars' core is smaller and denser than scientists previously thought.
May 3, 2023
