Astronomers suggest the star is towing along an exoplanet. The system could be traveling fast enough to escape the Milky Way.
unsolved mysteries
Posted inNews
How Do You Make Earth into an Icehouse?
A new model accurately reconstructs Earth’s past icehouses and indicates there’s no one driver behind them.
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Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano
Dating a late Pleistocene eruption has big implications for understanding the Younger Dryas—and current climate change.
Posted inResearch Spotlights
Jupiter’s Moon Callisto Is Very Likely an Ocean World
A closer look at previously disregarded observations reveals stronger evidence that a deep ocean lies beneath Callisto’s icy surface.
Posted inFeatures
How to Build the World’s Highest Mountain
The rocks of Mount Everest’s peak made an epic journey from seafloor to summit.
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Arctic Ice Is Getting Smoother and Moving Faster
A decrease in pressure ridges over the past 3 decades is making the ice more uniform, with unclear consequences.
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Ice Core Records Shed Light on a Volcanic Mystery
By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as the site of an unidentified 19th century eruption.
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Darker, Less Cloudy Earth Contributed to Record Heat
Decreases to our planet’s albedo caused by fewer low-lying clouds helped push temperatures to historic highs in 2023, according to new research.
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Telescopes Catch the Aftermath of an Energetic Planetary Collision
A planetary collision 1,800 light-years away birthed a body that has cooled in unexpected ways.