New forecasts are helping scientists pinpoint one of the most elusive locations in space: the outer boundary of the Sun’s ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

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 ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

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 ...

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 ...

For the first time in human history, we're watching a new solar system come to life. Not in theory, but in real, observable detail. NASA's James Webb Space Telescope (JWST) and its incredible ...

One of the James Webb telescope’s missions is to look for conditions that could sustain life outside our solar system – Copyright European Southern Observatory ...

Unlike conventional solar systems, which are hampered by the sun’s fluctuations and require backup systems to even them out, ...