Why do predators sometimes lay dormant eggs -- eggs which are hardy, but take a long time to hatch, and are expensive to produce? That is the question that researchers from Singapore University of ...

Winter has wandered only a third of the way toward the official start of spring and it’s still cold outdoors. Obviously, my hyacinths did not get the memo. It seems early to me for them to pop ground.

What happens when trees lose their leaves in autumn and remain bare throughout the winter? Are the trees still alive? Deciduous trees survive winter through a process similar to hibernation, called ...