But when devastating wildfires erupted around L.A. last month, the utility hadn’t installed the experimental system more broadly across its territory. It remains unknown what caused the Eaton, ...

With record-breaking and near record-breaking heat spreading across Tucson, it brings out more hikers and animals that might not be expected in February.

The first of two winter storms expected to arrive in Southern California this week brought some rain overnight but mostly ...

The search for life beyond Earth is accelerating, with new telescopes, spacecraft, and missions exploring the universe for ...

The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic arsenal, will facilitate the research of astronauts scheduled for a lunar landing ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

New research reveals that two massive lunar canyons, deeper than the Grand Canyon, were formed in under 10 minutes by intense ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...