There are also exoplanets with extremely varied sizes. Some are much larger than Jupiter, which is already a giant in our ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It's ...

We already knew that interstellar comet 3I/ATLAS was different from the other two interstellar objects known to have ...

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

The study also explained a long-standing puzzle as to why electrons often appear delayed after solar eruptions.

Somewhere at the edge of the solar system a new Earth-sized world might be lurking, dubbed Planet Y. Astronomers have long proposed that there might be hidden planets beyond the Kuiper belt, a region ...

The cosmos is a vast and fascinating expanse, filled with curiosities. Meteorites, remnants of this cosmic expanse, hurtle ...

From sculptural “wind trees” to massive offshore walls of rotors. Six strange turbine designs pushing the boundaries of ...