Sixty-six million years ago, a huge celestial object struck off the coast of what is now Mexico, triggering a catastrophic "impact winter" that eventually wiped...
A scientist specializing in Arctic studies said research on Antarctica has shed light on global climate change as well as the Earth’s history.
After hurtling hundreds of millions of miles through space since last summer, three robotic explorers are ready to hit the brakes at Mars.
Belgium on Dec. 28 joined a growing list of countries to launch COVID-19 vaccination campaigns, while a new coronavirus variant believed to be more infectious spread...