Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Some of Syria’s most renowned heritage sites coud soon undergo restoration as experts return to the sites decimated by nearly 14 years of war. Conservationists hope the historical and cultural ...

Experts are returning to Syria’s war-ravaged heritage sites, hoping to lay the groundwork for restoring them and reviving ...