With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very ...

Earth’s orbit around the Sun is not circular, but an ellipse that is slightly elongated with an eccentricity of 0.017. (An eccentricity of 0 is a circle, while the dwarf planet Pluto has a ...

Billions of years from now, the Sun will swell into a red giant, swallowing Mercury, Venus, and Earth. But that’s not the ...

A FIELD of at least 20 asteroids has been found lurking near Venus, having previously been hidden by the Sun’s glare, experts ...

Zero equates to a perfectly circular orbit. In our solar system, Earth has an eccentricity of 0.02, while Pluto’s highly oval-shape orbit around the sun is considered 0.25. The newly discovered ...

Twenty years ago, the US Congress instructed NASA to find 90 percent of near-Earth asteroids threatening Earth.

How much an orbit deviates from a perfect circle is measured by its eccentricity. The higher the eccentricity, the more elliptical the orbit. For some bodies in the solar system, this is quite ...

They orbit with Venus, but they’re headed our way. A newly modeled population of stealthy asteroids could pose a collision risk to Earth.

A 128-minute orbit, according to Kepler's third law, works out to a semi-major axis of 8,413 km (5,228 mi). Such an object with less than 0.25 eccentricity (a roughly circular orbit), therefore ...

New research claims that Venus could be hiding dangerous asteroids capable of destruction if they collide with Earth.