Asteroid or comet? Scientists find ancient ice giant in our solar system
Scientists using NASA’s James Webb Space Telescope have studied Chiron, a centaur orbiting between Jupiter and Neptune, ...
Stars Like Our Sun Explode With ‘Superflares’ Every 100 Years, Study Suggests
“We wanted to determine how often our Sun produces superflares; however, the duration of direct solar observations is ...
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Rare asteroid-comet hybrid is unlike anything ever seen before
JWST uncovered Chiron’s rare ices and gases, providing new insights into its unique activity and its link to the solar system ...
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A ‘remelting’ of lunar surface adds a wrinkle to mystery of Moon’s true age
In an "idea paper" published on December 18 in Nature, UC Santa Cruz Professor Francis Nimmo and his co-authors propose a ...
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Solar maximum just knocked 3 satellites out of orbit. Here's why more may be on the way.
Solar activity includes phenomena such as sunspots ... It aims to advance our understanding of the Solar System and lower the barrier for operating in space. The program began operations with ...
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Earth's moon is much older than we thought, according to new evidence
New research suggests volcanic activity reshaped the Moon's geology, resetting its apparent age to 4.35 billion years.
New observations of the most volcanic world in our solar system solve a mystery that began with Voyager 1
Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...
Did Earth’s Gravity Give the Moon a Volcanic Makeover?
The Moon, our ancient companion, might be older than we think. While lunar rocks suggest an age of 4.35 billion years, new ...
Jupiter’s ‘Tortured Moon’: Astronomers Uncover Surprising Source of Io’s Intense Volcanic Fury
Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.
Old moon, young crust: Violent volcanism may mean the moon is much older than previously thought
After its formation, the moon may have been the scene of such immense volcanic activity that its entire crust melted several ...
Best glimpse ever into icy planetesimals of the early solar system
New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in ...
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NASA’s Beloved Voyager Probes Find Puzzles beyond the Solar System
For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the ...