Scientists have observed something called "time reflections" in electromagnetic waves, according to a paper published in the journal Nature Physics. It's an exciting discovery that has been theorized ...

Last year, in July, Reine Protacio’s experiments suddenly stopped working. Every scientist encounters baffling results from time to time; you chalk it up to error, repeat the experiment, and hope for ...

The deadline is Friday (June 30). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA is soliciting the scientific community for ideas about ...