The interstellar network is sustained by the explosive life cycles of stars that generate powerful solar winds. Past research ...

This illustration depicts the most distant object yet found in our Solar System, nicknamed "Farfarout," in the lower right. In the lower left, a graph shows the distances of the planets ...

When scaled accurately, the distances in our solar system are so vast that planets appear incredibly far apart. Voyager 1, ...

Astronomers talk about solar system distances in terms of “astronomical units.” An astronomical unit, or one AU, is the distance from Earth to the sun.

And tantalizingly, what they found suggests that our solar system may already be flooded with visitors from the star system, which is about 4.25 light years away.

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

Discovered 1852, Psyche is the 16th largest asteroid in the solar system, stretching roughly 200 kilometers on a side. Psyche is what’s known as an “M-type” asteroid.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

Astronomers study meteorites, which contain the first solid material that condensed near Earth’s distance from the Sun, to determine our solar system’s age.