When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...

Astronauts on the International Space Station have a zero-g cup for their java. Credit: NASA Johnson Space Center ...

Kevin Roose and Casey Newton, the hosts of “Hard Fork” at The New York Times, spoke with Andrew Marley, executive director for Effective Altruism DC, about how much water A.I. data centers use.

If you want to build healthier habits in 2026, here’s my advice: Give yourself time. New routines don’t stick overnight. A classic study found that it takes on average 66 days of practicing a new ...