In 1587, Pope Sixtus V created the position of advocatus diaboli, or devil’s advocate. The appointee would skeptically ...

MIT researchers recreated a Venus-like stew of 98% sulfuric acid to test complex signaling molecules, like peptides, in the ...

Scientists have long speculated why Venus, with a size, mass and structure similar to Earth's, doesn't have a moon. New UC Riverside research shows that our hungry twin likely swallowed it. In the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sky watchers across the country have an opportunity to see Venus ...

Click here for an explanation of each section [Celestial bodies that serve as conversation starters] NoneThere are no ...

Venus is one of only two planets in our solar system that lack a moon. (Mercury is the other.) NASA / JPL-Caltech Earth’s next-door neighbor Venus is often called our twin. The two planets feature ...

Look west on September 18, when the planet reaches peak brilliance. Here’s what makes it so bright and how to see its crescent through a telescope. Moonlight illuminates colorful salt domes in Iran’s ...

Venus' sluggish spin may be the key to why it doesn't have a moon — anymore, at least, new research says. The study, led by University of California, Riverside astrophysicist Stephen Kane, appears in ...

Venus may have once had a moon, but new research suggests the planet’s incredibly slow rotation could have doomed it. Computer simulations showed that instead of gradually drifting away like Earth’s ...

Venus is often described Earth’s twin. Same rough size, same mass, similar structure. But it has no moon, and that’s bugged scientists for a long time. The usual explanations involved some kind of ...

LOS ANGELES, Sept 14 (Reuters) - A California-based astrophysicist presented a new theory on Monday to explain why Venus, the planet most like Earth in size, mass and structure, lacks its own moon.