A new analysis shows that the way massive planets migrate after their formation helps determine whether they have companion planets. The process hints at planetary formation in general.
News
With the Ocean Included, the Social Cost of Carbon Doubles
A new calculation includes ocean ecosystems when assessing the monetary impact of climate change.
These South Pole Seismometers Will Detect Vibrations 1.5 Miles Under the Ice
The instruments will freeze into Antarctica’s ice sheet, where they will collect detailed, global-scale seismic data.
This Potential Exoplanet Is Earth Sized but May Be Colder Than Mars
A new analysis of old mission data may have revealed a possible Earth-sized planet orbiting the K-dwarf star HD 137010.
The Olympics Just Saw Its First “Forever Chemical” Disqualifications
Waxes containing PFAS are banned at the Milan-Cortina Games. Three athletes already have been disqualified for using them.
Restored Peatlands Could Become Carbon Sinks Within Decades
That’s much faster than what most scientists thought.
Oozing Gas Could Be Making Stripes in Mercury’s Craters
Scientists are using new computational tools to analyze troves of old spacecraft data to better understand one of Mercury’s unsolved mysteries.
Sediments Offer an Extended History of Fast Ice
Scientists used sediments to create a millennia-long archive of Antarctic fast ice. Along the way, they discovered that the freezing and thawing of this enigmatic ice appear to be linked to solar cycles.
Earth’s Climate May Go from Greenhouse to Hothouse
Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.
The AMOC of the Ice Age Was Warmer Than Once Thought
An analysis of sediment cores indicates that North Atlantic waters were relatively warm and continued to circulate even under major climate stress during the Last Glacial Maximum.
