In this protected bubble, "The sperm can be stored there in a viable but functionally suppressed state for anywhere up to ...

The decades-long struggle to find a permanent place to dispose of nuclear waste will continue, probably for many years to come.

Open wide! The gaping gob of a pelican eel can expand into a voluminous sac for trapping elusive prey in the dark ocean depths.

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered ...