NASA's Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission will study "magnetic ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly ...

SpaceX reportedly informed the FAA about the mishap after the agency had already activated debris response areas.

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

Using Georgia State’s CHARA Array, an international team of scientists has uncovered unexpected complexity in how stars ...

Among the targets identified in an ABC News analysis were surface-to-air missile systems and communications antennas.