Spiral galaxies, like Messier 77 shown here, helped astronomers learn about the existence of dark matter. NASA, ESA & A. van der Hoeven, CC BY Imagine an epic video game with your favorite hero as a ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Imagine an epic video game with your favorite hero as a character. Another character ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Dipangkar Dutta, Mississippi State University (THE CONVERSATION) Advertisement Article ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...