Add Yahoo as a preferred source to see more of our stories on Google. In a few billion years, the Milky Way and Andromeda, the nearest spiral galaxy, might collide. Future observers could be treated ...

The big thinkers at Aperture discuss the future of human spaceflight and interplanetary exploration.

Andromeda and the Milky Way merge. NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger Share Curious Kids is a series for children of all ages. If you have a question you’d ...

Mathematicians may have a better way to measure agreement across different datasets. Agreement affects reproducibility, meta-analysis, and prediction to fill in missing data points. We need a more ...

Recently, my security team prevented a data breach—not by catching someone stealing data, but by predicting they would attempt it days before they actually tried. It wasn’t luck. We had something more ...