When we gaze up at the sky, it's easy to assume it's always looked blue all through the years. After all, the sky's colour is such a consistent backdrop in our daily lives. But Earth’s past is full of ...

Long before city lights drowned out the stars, the night sky was a breathtaking sight, and during the age of the dinosaurs, it was a completely different world overhead. The constellations we ...

The world's first dinosaur with a fossilized heart is now on display at the North Carolina Museum of Natural Sciences. The 66-million-year-old fossil could change what we know about dinosaurs.