Astrophysicist and 'StarTalk' host Neil deGrasse Tyson uses the power of Twitter to answer some common questions about our universe. What is a quark? Is there a limit to the expansion of the universe?

NPR's Ayesha Rascoe speaks with author Randall Munroe about his new book, "What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions." So question for you. If you unleashed a ...

Bill Nye uses the power of Twitter to once again answer common questions about science. Is evolution just an unproven theory? What do brains actually feel like? Will humanity ever leave the solar ...

Why is the moon sometimes out during the day? Why is the sky blue? Will we ever discover aliens? How much does the Earth weigh? How do airplanes stay up? Those are the five questions kids most often ...

Not that long ago, most serious scientists considered cosmology a branch of philosophy. But in recent decades, observations by the Hubble Space Telescope and probes of the microwave radiation left ...

Add Yahoo as a preferred source to see more of our stories on Google. Science is everywhere you look, from tiny subatomic particles to the vast reaches of the universe. It helps us understand the ...

There are few simple answers in science. Even seemingly straightforward questions, when probed by people in search of proof, lead to more questions. Those questions lead to nuances, layers of ...

Take these trivia quizzes at Jagran Josh to test your knowledge on a wide range of subjects. These general knowledge questions comprise trivia questions ranging from history, geography, maths, science ...

What do you mean you don’t know? Dardariel/Shutterstock If a child asked you how close an astronaut can get to the sun, the chances are you’d need a moment – or perhaps a search engine – to figure it ...