As you cruise through the desert ecosystem dotted with acacia trees, you'll pass by enormous rock formations, grassy valleys ...

There is no tactful way to say this: Watering grass in Arizona’s desert cities is a rotten waste ... There are even a few grassy neighborhoods. But these are aberrations in the Old Pueblo.

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo. A brilliant comet lights up the night sky over Chile's Atacama Desert in this ...