Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

For Earth to be born, our solar system needed certain isotopes which could only be formed by supernovae. But, shouldn't such ...

Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

Space experts believe that the 'Dracula' disc could offer new insights into planetary formation, especially in massive ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Scientists have discovered the fastest-spinning asteroid sized over 0.3 miles in diameter, which is rotating about once every ...

A new 3I/ATLAS captured by NASA-supported Gemini North telescope revealed a 'chemical scream' as the comet's temperature ...

Astronomers analyzing data from Vera C. Rubin Observatory have discovered the fastest-ever spinning asteroid with a diameter ...

Key takeawaysPlanets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar ...

Out in the depths of space, somewhere in between Mars and Jupiter, is a newly discovered asteroid that's breaking records.