The search for life beyond Earth is one of the most profound quests in human history. It began not in laboratories, but in ...

Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in ...

The human skeleton — our internal framework that includes bones and cartilage — evolved over millions of years. It comprises an axial skeleton, which consists of the skull and the spine, as well as an ...

During glycolysis, cells make energy by breaking down glucose step by step. One compound gives its phosphate group directly to ADP to form ATP in this process, which is the cell’s energy source. Which ...

Think of this as the US student assessment meets “let’s see if my brain still works.” It’s your chance to find out if you’d ...

Every year, Ghanaians passionately follow the National Science and Maths Quiz (NSMQ) . Schools train like armies, alumni pour ...

Some questions in life have endless possible answers, but not in this quiz. Here, it’s all about picking one or the other: ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Sept. 19, 1991, hikers were crossing a pass over the Ötztal valley in the Alps when they ...