A new study suggests that lifespan might be 50% heritable — although for now, it's hard to know if the finding applies across diverse populations.

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

Attention marathon runners, triathletes and other endurance athletes: If you’re after a high-end sports watch, minus the upkeep and fancy smartwatch tech, the Garmin Enduro 3 is for you.