Earth’s orbit around the Sun is not circular, but an ellipse. The perimeter of Earth’s orbit is roughly 584 million miles ...

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Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

Humanity is better prepared than ever before to prevent a large asteroid from crashing into Earth, but there's more work, and ...

Discover the Sun’s incredible heat, its layers, and what fuels it. Explore ExtremeTech’s in-depth article and get closer to ...

The Martian calendar, established in 1955, counts years from the "great dust storm of 1956," a significant event in Mars' ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a sun-like star, ...

We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

K2-360 b has a radius just shy of 1.6 times that of Earth, giving it a volume four times as large. Its mass, though, is 7.7 ...

The movements of the planets in the Solar System are pretty difficult to get your head around, even before we get started on the dark matter which seems to keep galaxies together and rotating with ...

But they aren't disintegrating, and it's nothing permanent. No, it's a quirk of Saturn's orbit, which takes 29.5 years to ...

A BUS-SIZED “mini moon” is in the final days of its trip to Earth’s skies – and will soon vanish until 2055. The holidaying ...