Latest articles by Jennifer Nalewicki
On March 28, Earth was hit by an X-class solar flare that was strong enough to ionize part of the planet's atmosphere.
China's new jumbo-size, reusable rockets are part of the country's plans to send humans to the moon by 2030.
Spiral petroglyphs carved into a canyon wall on the Colorado-Utah border may have been used as a calendar by the Ancestral Pueblo.
The more than 3,000-year-old site along a riverbank in Serbia contains the footprints of dozens of Bronze Age structures.
Forecasters are keeping an eye on Tropical Storm Lee, which they predict could soon become a full-blown hurricane in the Atlantic Ocean.
A Bronze Age arrowhead found in Switzerland was made using meteoric iron.
Researchers have developed a liquid-nitrogen spray that rids spacesuits of lunar dust.
250 million-year-old pollen suggests radiation played a role in mass extinction event.
An international group of experts has voted to retire the leap second by 2035.
