Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies offering crucial insights into the solar system’s formation.

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

A team of scientists are calling a new planet detection the first direct ... Scientists found an exoplanet just a little larger than Earth, around a star much like the sun. But that's pretty ...

When it comes to mice, the freeze-dried mouse sperm Wakayama is currently storing aboard the ISS will return to Earth in 2025 ...

New research reveals that Earth's so-called sister planet may never have had liquid oceans – because ... "But if Venus was never habitable, then it makes Venus-like planets elsewhere less likely ...

Scientists have revived the theory that short-period comets could have played a crucial role in filling Earth's oceans with water.

Earthquake data suggest that all or small patches of the inner core's surface may be swelling and contracting.