Muntjac deer are known as “vampire deer” for their fangs, but their strangest feature lies beneath their eyes.

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

It was as if the fossil was grinning at us at the secrets it had been hiding,” said Dr. Martin Smith, but he remembered the time when a 500-million-year-old riddle all at once became clear.