Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

In a groundbreaking discovery, astronomers have, for the first time, observed the formation of a new solar system. Using a combination of data from the Atacama Large Millimeter/submillimeter Array ...

New forecasts are helping scientists pinpoint one of the most elusive locations in space: the outer boundary of the Sun’s vast protective bubble. By combining solar wind predictions with advanced ...

Add Yahoo as a preferred source to see more of our stories on Google. An image of WISPIT 2 taken by the Very Large Telescope in Chile. Astronomers have just found a second gas giant recently formed ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...