Earlier estimates of its age were around 7 billion years, but a new study suggests it’s much older.

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

The system, observed using the European Space Agency’s Cheops space telescope, consists of four planets – two rocky and two gaseous – orbiting a relatively small and dim star called a red dwarf about ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...