Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in the sky, a small speck that grows larger and larger. Soon, it becomes clear: ...

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

If its interstellar origins were to be confirmed, it’d only be the third of its kind spotted in the solar system in history. An oblong interstellar object, dubbed ‘Oumuamua, was first discovered in ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

NASA is set to launch three spacecrafts Tuesday with the goal of unlocking the mysteries of solar weather at the edge of our ...

Primordial helium from the beginning of the solar system may be stuck inside Earth's solid core, new research suggests. The findings could have implications for a long-standing debate about how ...