Watch a NASA spacecraft probe the mysteries of the martian atmosphere
MAVEN hopes to provide a better understanding of the Red Planet
MAVEN hopes to provide a better understanding of the Red Planet
The only known impact from the Archaean eon may point to life’s origins
New analyses identify the victors—and unfortunate losers—in ancient fortress skirmish
In trio of studies, scientists explore life in the mysterious hadal zone
An attorney explains where the government erred—and how it could still shrink payments to universities
Trump has promised to cut off funding, claiming nation discriminates against white citizens
Breach of Kakhovka Dam now threatens seasonal floods thick with toxic heavy metals, other pollutants
Long-running advisory role cut along with two dozen others in agencywide reduction
The internationally sourced metal may have helped a predemocratic tyrant rise to power
Even common species have become much less abundant in just 20 years, a large analysis reveals
Detachable heads of marionettelike figures may have swiveled on a string more than 2000 years ago