Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their environment, a new study suggests.
The researchers found the complex life forms, called eukaryotes, stored arsenic inside...
A study of 7000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: as sharks declined by 75% and fish preferred by humans became smaller, prey fish species flourished—doubling in numbers...
Thousands of mysterious mounds on Mars preserve layers of evidence pointing to ancient water on the red planet that likely sculpted the towering formations.
More...
Back in 2007, I talked with Rob Manning, engineer extraordinaire at the Jet Propulsion Laboratory, and he told me something shocking. Even though he...
Astronomers from Liverpool John Moores University and the University of Montpellier have devised an 'early warning' system to sound the alert when a massive...
A total lunar eclipse will grace the night skies this weekend, providing longer than usual thrills for stargazers across North and South America.
The celestial...
