Scientists say a supernova explosion close to Earth could be to blame for two extinction events. The post Supernova study ...
An unmanned Antares rocket carrying nearly 5,000 pounds of supplies to the International Space Station exploded on Oct. 28, destroying everything aboard. "It's hard to describe what it was like ...
A new study reveals that supernova explosions may have caused two mass extinctions on Earth 372 million and 445 million years ...
At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...