Scientists may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud ...

A new simulation suggests a massive asteroid impact may have briefly supercharged the moon's magnetic field, leaving behind ...

Where did the moon's magnetism go? Scientists have puzzled over this question for decades, ever since orbiting spacecraft ...

Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were conducting a spacewalk at the time. Credit: Thierry Legault ...

Massive seafloor craters off California are shaped by ancient underwater sediment flows—not methane—revealing a hidden history beneath the waves.

Researchers from the University of Göttingen discovered traces of precious metals, including ruthenium and gold, rising from ...

At minus 292 degrees Fahrenheit, Titan remains a chemical time capsule. NASA’s Dragonfly won’t search for life itself.