NASA astronaut Frank Rubio is back on Earth after 371 days in space. But his record-setting period in space comes with the risk of mental and physical health effects, according to experts. #science #learnontiktok #spacetok #astronaut #news #yahoonews

More than two decades after the 9/11 attacks, the trial against five accused men is still delayed as prosecutors consider a plea deal that would spare their lives in exchange for admissions of guilt. #news #worldtradecenter #learnontiktok #currentevents #ushistory #911attack #yahoonews

Understanding the size of the universe can be hard, so NASA has created a visualization to put supermassive #blackholes in perspective 🪐 #spacetok #astronomy #science #astronaut #learnontiktok #news #yahoonews