This week, momentum is building around nuclear fusion, as tech investment and breakthroughs suggest it may arrive sooner than ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented ...

A rocky planet with a 24-hour orbit and an ice giant that takes five years to complete its orbit have been detected orbiting ...

Astronomers just caught a celestial sneak peek at how solar systems are born, and it starts with something delightfully small ...

Stars and planets are naturally associated with one another. While some planets have gone rogue and are drifting through ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

M. McClure et al./Cover Images Astronomers have spotted the birth of a new solar system for the very first time ever. Using the ALMA telescope, in which the European Southern Observatory (ESO) is a ...

NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have seen up close.

A group of international researchers said on Wednesday they witnessed some of the earliest stages of a planet beyond the sun ...

The bold question-askers at What If uncover how Jupiter's massive power influenced the formation of Earth and even life itself.