New data from NASA’S MESSENGER spacecraft suggests Mercury was shaped by volcanism.
Column: By reexamining early experiments, scientists draw new conclusions.
NASA reignites effort to get the aging Hubble working again
Rising acidity in oceans and accelerating wind patterns may lead to unexpected changes.
Worldwide computer grids mean even small-timers can contribute to ‘big science.’
Federal funding for research has been falling in real terms. Is the nation’s economic edge at stake?
Column: Two scientific discoveries could help reduce forest fires and prevent bug infestations.
The Shenzhou 7 launches Thursday in an era of global space cooperation.