Nearly a decade after the nuclear accident in Fukushima, researchers have found that wildlife populations are abundant in areas now devoid of human life.

For the first time, NOAA’s 2019 Arctic Report Card includes an indigenous perspective of the changes taking place in Arctic ecosystems.

The Earth might be crawling with undiscovered alien creatures whose biochemistry is very different from life as we know it. An astrobiologist explains.

According to independent analyses by both NASA and NOAA, Earth's global surface temperatures in 2019 ranked 2nd-warmest since 1880.

According to the UK's Met Office, each decade from the 1980s has been successively warmer than all the decades that came before. 2019 concludes the warmest ‘cardinal’ decade (those spanning years ending 0-9) in records that stretch back to the mid-19th century.

Betelgeuse has dimmed recently, prompting some to wonder if it's about to explode. An explosion might trigger a gravitational wave burst. Betelgeuse is still there. The nearby gravitational wave burst probably means nothing for this star. Still ... 

The scientists call them "xenobots." They are tiny living robots assembled from the cells of frogs. Their creators promise advances from drug delivery to toxic waste clean-up.

NOAA reports that 2019 was the 5th consecutive year in which the United States experienced 10 or more $1 billion weather and climate disasters, including fires, hurricanes and flooding.

The pace of archaeological discoveries has picked up in recent decades, helping to refine the human story.

USGS reports that the strong earthquake in Puerto Rico this morning was "widely felt." Strong to very strong shaking occurred across parts of southern Puerto Rico closest to the event, and moderate shaking occurred across the rest of the island.