In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...

The early Earth was an extreme place. Asteroids pommeled the surface. Volcanoes spewed lava and carbon dioxide. The thick, ...

Based on the history of life here on earth, at least one prominent paleontologist thinks that complex life in the cosmos is ...

NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...

As life evolved on Earth, it used and created minerals for exoskeletons and habitats. The hundred minerals present when life first formed have grown to about 5,000 today. For example, zircons are ...

If you like the smell of spring roses, the sounds of summer bird song, and the colors of fall foliage, you have the ...