Exercise — and echocardiograms — in space protected astronauts’ hearts in study

No cities on the moon — there isn't enough water, scientists say (op-ed)

The discovery of water at the poles of the moon has inspired speculation about whether we can build there – cities, industrial neighborhoods, places where people work and live.

Live: Prominent athlete says Jones was 'generous' to him throughout his life

Live: ASX flatlines, Healthscope to be taken over by Calvary Health Care consortium

Live: Prominent athlete tells court Alan Jones kissed him twice without consent

“Parachute science” is failing the tropics, home to more than 80% of insect species

Insects quietly hold much of the natural world together, yet conservation efforts are overlooking the tropical regions where more than 80 percent of insect species live.

Hundreds march in Toronto against Carney's investment summit - Reuters

Hundreds march in Toronto against Carney's investment summit Reuters Carney Pitches Canada as a Stable Investment in a Chaotic World The New York Times Canada Investment Summit live: Banks commit billions Yahoo!