Scientists discovered a 400-million-year-old fossil known as Prototaxites, which does not belong to any known life form ...

How do scientists study and classify life-forms? How can we understand the complex evolutionary connections between living organisms? Woese's breakthrough was momentous for at least three reasons.

They will come up with their own classification systems to sort common invertebrates into groups. Find our about adaptations. Use your imagination to build your own LEGO® Life Form that could survive ...

These RNA-based structures lack the protective protein shells seen in conventional viruses, setting them apart as a unique ...