Alex Fitzpatrick/Axios Many U.S. cities now have more heat streaks on average each year compared to 1970, a new analysis finds. Why it matters: Prolonged heat — as much of the U.S. has experienced ...

Looking at dunes and other rock formations on both Earth and Mars can tell scientists the environmental conditions that created them ...

If Yuma's lettuce fields dry up, Americans won't just lose fresh greens in the winter. They'll lose a key part of our food ...