Ancient Galaxy Clusters Offer Clues about the Early Universe
Astronomers can’t understand how distant galaxies grew so big so fast
Astronomers can’t understand how distant galaxies grew so big so fast
The virus flourishes by undermining the body’s chemical defense system
President Trump and other conspiracy fantasists touted the fake claim that COVID death counts are exaggerated. But three kinds of evidence point to more than 350,000 deaths*
The most comprehensive study of the iconic dinosaur reveals a very different animal from the one portrayed on film
Data about Earth’s 78 most important mountaintops foretell changes in the amount and timing of snowmelt
Cells need to cooperate to coexist in people, and when some break the rules, cancer results
The Mars Reconnaissance Orbiter celebrated its 15th year circling Mars