The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

“To me, the Voyager Golden Record is a beautiful example of humanity and striving for world peace,” adds propulsion engineer ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater ...

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

To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little ...

Space missions to the moon, Mars and beyond often get the most attention, but NASA's Near Space Network does a lot of heavy ...

This year, we were treated with a total solar eclipse, fantastic displays of the northern lights, spectacular meteor showers ...

If Earth is going to be blown to bits by an asteroid, it'd be nice to have some advance warning – to either do something ...

NASA confirms no collision risk as asteroids 2024 YC1 and 2024 YQ2 approach Earth on December 28, 2024, at 639,000 miles ...

Heat from tidal forces remelted the Moon’s crust, says new reesarch, which may explain why the Moon is older than some ...