So far, searches for the hypothetical Planet Nine have yielded no such world. There are many possible reasons for this, one ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

When Sarah Gillis performed ‘Rey’s Theme’, a piece John Williams composed for Star Wars: The Force Awakens, her concert hall ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

Dr. Nikki Nielsen saw outer space up close and personal recently, and she got the opportunity with her research, while ...

Subscribe to Top 10s ► <a href=" from Top 10s counts down the How Big Is The Largest Planet?! In today's animated infographics video we will look at an outer space size comparison to see the largest ...

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Starstruck Billions of years ago, our Solar System may have had an incredibly close encounter with another passing star. As ...

Check these five spectacular NASA images from space posted on their Instagram handle, which keeps us updated with all the ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...