The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Ancient deep-sea organisms suggest movement, sexual reproduction, and complex animal life began earlier than previously thought.

Yahoo Sports TVyahoosports.tv is here! Watch live shows and highlights 24/7. The Kevin O'Connor ShowKevin O'Connor talks ball with the best names from around the world of basketball. The Ariel Helwani ...

as 113 countries spend more on debt payments than on education Education transforms lives and is at the heart of UNESCO’s mission to build peace, eradicate poverty and drive sustainable development.

The proposed OMB changes to research funding threaten US science. Researchers must stand up for and share the value of science to society.

To participate, submit your response here by July 17 at 9 a.m. Eastern. This week’s winners will be announced by July 29. By The Learning Network Ella Cheng talks about how Hollywood can engage her ...