James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. The ...

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We’ll let other publications offer you ...

ROCHESTER, N.Y. — Did you stay up late enough to see the total lunar eclipse? Early Friday morning, the Earth’s shadow blocked the moon, giving the moon a deep red hue in the skies over Rochester.

NASA's Mars helicopter Ingenuity last flew on Mars. Watch the time-lapse, color images and stats from the flight. Credit: ...