Experts say the Venus-bound probe's durable design could allow it to survive reentry, posing a small risk to populated areas.

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Earth-like exoplanets might be more common throughout the Milky Way than previously believed, astronomers report in a new ...

Juno sheds light on Jupiter’s polar storms and Io’s hidden lava, offering insights at two of the solar system’s most extreme ...

A team of international scientists has identified a promising Planet Nine candidate by comparing infrared surveys of the sky ...

The discovery of 2024 PT5, a small, rocky body dubbed a "minimoon" during its discovery last year, hints at a hidden ...

The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. In 1983 ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Kosmos 482 —originally launched on March 31, 1972, as part of the Soviet Union's ambitious Venera program to explore Venus—is ...