The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger ...

Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and technology.

Scientists have recently observed the most intense explosion ever recorded in the universe, a phenomenon that has both baffled and excited the scientific community. This cosmic event, known as a gamma ...

A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...