For years, Brazilian President Luiz Inacio Lula da Silva, along with many climate experts, had high hopes for the U.N.

News that a NASA scientist has announced fresh progress on Proxima b has pushed our nearest known exoplanet neighbor back ...

Hidden along California’s northern coastline, Jug Handle State Natural Reserve in Fort Bragg offers a rare combination of scientific wonder and breathtaking beauty that somehow remains off the radar ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

On an expedition in the Awash Valley in Ethiopia, two anthropologists uncovered the bones of a 3.2 million-year-old human ...

Isotopic fingerprints in lunar, terrestrial, and meteorite samples show Theia formed in the inner Solar System, likely near ...