A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Sudden and violent explosions have been leaving behind massive craters in the permafrost of Siberia — some nearly 70 feet wide and over 170 feet deep. The phenomenon has puzzled scientists since the ...

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical ...

SpaceX’s Super Heavy-Starship rocket achieved its first successful full test flight on Thursday, returning from space and landing safely without exploding after launching from Texas. The test mission ...