During elongation, the new RNA strand becomes longer and longer as the DNA template is transcribed. In this view, the 5' end of the RNA strand is in the foreground. Note the inclusion of uracil (yello ...

Celestial objects come and go from our view in the night sky, as they fling by or orbit around the Sun. Whether it be the full moon or a meteor shower or just the best night to see Mars, we're here to ...

Venus achieved its greatest western elongation (46°) from the Sun on the date of the article, resulting in early morning visibility. At the time of the article, Venus exhibited a magnitude of –4.4, ...

August is full of celestial events, and this week marks a milestone for the 4.503 billion-year-old planet known as Mercury. Being such a small planet that lies close to the sun, Mercury can be ...

Snake and eel bodies are elongated, slender and flexible in all three dimensions. This striking body plan has evolved many times independently in the more than 500 million years of vertebrate animals ...