More than a century of temperature data shows much of the U.S. Northeast is in the grip of extreme warming, with winter heating up more quickly than other seasons.

The DNA sequencing giant will launch a new company, Grail, to develop blood tests to detect cancer.

The detection was hailed as a triumph for a controversial, exquisitely crafted, billion-dollar physics experiment and as confirmation of a key prediction of Albert Einstein's General Theory of Relativity.