The spacecraft will study the heliosphere, a vast bubble created by the Sun's solar wind. This bubble acts like a shield, ...

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

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 ...

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 ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

This invisible boundary is known as the heliosphere. It's the endpoint beyond which our Sun does not have any reach or power.

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

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

Water once flowed through asteroid Ryugu and possibly in early solar system, Japanese researchers claim Experts have ...

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA’s tally of exoplanets does not include more than 8,000 additional candidate planets ...

There is much less water on the surfaces of distant planets outside our solar system than previously thought. These ...