The object’s aphelion—the farthest point on the orbit from the sun—is more than 1,600 times that of Earth’s orbit,” Institute ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

Odyssey, a startup founded by self-driving pioneers Oliver Cameron and Jeff Hawke, has developed an AI model that lets users ...

NASA tracks five near-Earth asteroids flying close to our planet this week. Despite their size, none pose a threat for at ...

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Where does the Sun end and the Solar System begin? The answer is not clear-cut. The Sun’s atmosphere – the corona – extends ...

there’s a gleaming vacuum chamber where components for Portal’s solar thermal propulsion system are being tested. In another corner, a 3D printer stands ready to turn out the parts for ...

"We know from our own solar system that giant planets bring a little bit of chaos to space. They can perturb orbits and give a little bit of extra boost to the velocities of objects, which is all ...

The planet orbits its star at about 2.5% of the distance of Earth to the sun. It is about a third closer to its star than our solar system's innermost planet Mercury is to the sun - so close that ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...