The odds of discovering another Earth are looking slimmer than once believed. A growing body of evidence suggests that truly Earth-like conditions are rare, and complex life even rarer, perhaps to the ...

Abstract: This paper presents Prithvi-EO-2.0, a new geospatial foundation model that offers significant improvements over its predecessor, Prithvi-EO-1.0. Trained on 4.2 million global time series ...

Earth-like atmospheres require precise balances of nitrogen, oxygen, and CO₂, supported by long-term geological and biological processes. Most M-dwarf planets face atmospheric loss due to intense ...

Update: Friday, December 19, 8:16 a.m. ET: The Virtual Telescope Project 2.0 has postponed its livestream of 3I/ATLAS’s Earth flyby to Friday, December 19, starting at 11:00 p.m. ET. Original article ...

A clash between the 11-2 Denver Broncos and 9-3 Green Bay Packers offers a possible Super Bowl preview in NFL Week 15, but that’s just one of the thrilling showdowns on the schedule this weekend. If ...