Some are as big as the Statue of Liberty. But these aren’t asteroids from our own solar system– they may have come from an ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

Have you ever looked at the beach and wondered how many grains of sand there are? That can be mind-boggling to think about. Scientists estimate that, depending on the grain size and density, a single ...

In this series, we cover provocative questions in astronomy. This week: the mysterious extragalactic signals known as Fast ...

She has covered weird animal behavior, space news and the impacts of climate ... the researchers describe how they modeled the orbits of the four outer planets and performed 50,000 simulations ...

Scientists found an intriguing world in our galaxy.

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

How fast can solar systems orbit our Milky Way Galaxy? This is what a recent study published in The Astronomical Journal hopes to address as an internation | Space ...