That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

On Sept. 18, 1977, NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

A recent study reveals dynamic transformations in Earth's lower mantle, impacting both earthquakes and the magnetic field.

In 2005, ESA's Huygens probe landed on Titan, revealing the atmosphere, landscapes, and chemistry of Saturn's moon.

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

On September 21-22, a partial solar eclipse will be visible across parts of the southern hemisphere, briefly dimming skies ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric ...

Bake them, freeze them, fire them from a gun or blast them into space: tardigrades can survive almost anything. Some experts ...

Astronaut training often involves extremely complex operational environments, making the simulation of real space ...

With advance warning, however, steps can be taken to reduce the risks. If an electrical grid is running near capacity, for ...