Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Earlier this month, astronomers observed a mysterious object with interstellar origins speeding through the inner solar system. It's an exceedingly rare occurrence, marking only the third confirmed ...

Photographing the sun can be an amazing experience and this guide explains how to do it in safety with a camera or telescope.

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in the ...

The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.

For the first time, scientists have caught a glimpse of the earliest moments of planet formation around a star beyond our Sun ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

In a groundbreaking discovery, astronomers have, for the first time, observed the formation of a new solar system.