Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

The study analyzed the circumstellar disks of a pair of stars, learning about how planets are formed from some unexpected ...

A very long solar filament that had been snaking around the Sun erupted with a flourish. The bright light of a solar flare on ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Samples of Bennu were brought back to Earth by NASA’s OSIRIS-REx spacecraft in 2023. Now, a pair of newly published papers ...

Scientists now think that a mysterious object massive enough to have gravitational interactions with the Solar System’s disk ...