NASA on Instagram: "What's it like to float through the International Space Station? For more than 25 years—since Nov. 2, 2000—humans have been living and working on the @ISS. More than 290 people from 26 countries have visited the station; their work and scientific research is helping us learn how to live in space (and prepare for missions to the Moon and Mars) while making life better back on Earth. As we celebrate this milestone, we've released a new 15-minute tour of the station; follow alon

The Night Lexicon on Instagram: "Dogs are constantly communicating — even when they seem quiet. Unlike humans, they don’t rely on words to express themselves. Instead, dogs use a rich mix of body language, sounds, and scent to send messages to everyone around them, whether that’s another dog, a different animal, or a human. Visual signals are one of the biggest parts of dog communication. Ear position, tail movement, posture, eye contact, facial expressions, and even how a dog holds its mouth ca