EPA watchdog probing air-quality results issued after Harvey

An internal watchdog at the Environmental Protection Agency announced Thursday it will review whether federal and state officials kept the public appropriately informed last year about potential air quality threats after ...

Conservation groups sue Oregon to help protect tiny seabird

Conservation groups sued the Oregon Department of Fish and Wildlife Commission on Thursday for failing to strengthen protections for the marbled murrelet, tiny seabirds that venture inland to raise their young and depend ...

States vow to press fight against Trump's car fuel rules

State prosecutors from California to Massachusetts blasted the Trump administration Thursday for proposing weaker auto fuel-efficiency standards they said would imperil clean air and increase greenhouse gases.

Teaching old tech new tricks

Using century-old minerals processing methods, chemical engineering students have found a solution to a looming 21st-century problem: how to economically recycle lithium ion batteries.

If intelligent aliens exist, why haven't we seen them?

Thousands of planets have been discovered in the last few decades, although astronomers tell us there are probably billions. In such a large and diverse set of solar systems, it seems impossible that humans could be the only ...

The fading ghost of a long-dead star

Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope.

Ex-Tesla worker accused of hacking seeks $1M in counterclaim

A former Tesla Inc. employee at the electric car maker's battery plant in Nevada is seeking at least $1 million in defamation damages after it accused him of hacking into computers and stealing confidential information leaked ...

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