Imagine a place where temperatures soar to over 450°C, where thick clouds of toxic sulfuric acid rain down, and the ...

Venus, often called Earth’s “twin,” is a planet of extremes. Though similar in size, mass, and composition, Venus couldn’t be ...

But Venus is also the twin sister to Earth in our solar system. Venus' orbit is actually quite similar to the Earth, with Venus orbiting only 20 percent closer to the sun than we do.

Remember of course, that from Earth, Venus appears most dazzling when it's roughly one-quarter illuminated; a crescent shape seen at a distance of about 40 million miles (64 million km).

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Venus is commonly known as Earth's "twin sister," but when it comes to being alike, these two are more like Arnold Schwarzenegger and Danny DeVito than Mary Kate and Ashley Olsen.

Venus and Earth were similarly sized spuds, so they should have cooled at the same rate. But other than internal heat, there was something else keeping Venus warm: the sun.

Because Earth's atmosphere nowadays contains significantly more argon-40 than Venus's, we can therefore assume Venus has been less volcanically active for its entire existence.

Venus and Earth were similarly sized spuds, so they should have cooled at the same rate. But other than internal heat, there was something else keeping Venus warm: the sun.

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what’s called an inferior conjunction. But don’t plan on seeing the linkup.

Despite being our closest planetary neighbor, Venus is a pretty inhospitable place.It is about 100 times hotter than Earth and spacecraft exploring its thick atmosphere have been crushed in only ...