Harvard astronomer Avi Loeb suggests we could use NASA's existing Juno spacecraft to intercept the path of interstellar object 3I/ATLAS.

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

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

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

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

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

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

Around a Sun-like star just 1,300 light-years away, a family of planets has been seen in its earliest moments of conception.