200 articles from TUESDAY 13.8.2019

Is a global food crisis avoidable?

A dire United Nations report warns that humanity may not be able to create enough food in the future. What steps can mankind take to avoid a global food...

Shedding Light on Black Holes

Video Length: 4:07"Black Holes" is one of the most highly searched terms about our universe. How much of what we think we know about black holes is actually true? Read this story Video Links: Shedding Light on Black Holes -...

Studying largest impact crater in the US, buried for 35 million years

About 35 million years ago, an asteroid hit the ocean off the East Coast of North America. Its impact formed a 25-mile diameter crater that now lies buried beneath the Chesapeake Bay. A team of researchers has obtained drilling samples from the Ocean Drilling Project site 1073 and dated them with the ''uranium-thorium-helium technique'' for the first time.

Monarchs caught up in rewrite of endangered species rule

Hand-raising monarch butterflies in the midst of a global extinction crisis, Laura Moore and her neighbors gather round in her suburban Maryland yard to launch a butterfly newly emerged from its chrysalis. Eager to play his part, 3-year-old Thomas Powell flaps his arms and exclaims, "I'm flying! I'm flying!"

Researchers study largest impact crater in the US, buried for 35 million years

About 35 million years ago, an asteroid hit the ocean off the East Coast of North America. Its impact formed a 25-mile diameter crater that now lies buried beneath the Chesapeake Bay, an estuary in Virginia and Maryland. From this impact, the nearby area experienced fires, earthquakes, falling molten glass droplets, an air blast and a devastating tsunami.

NASA Selects Proposals to Further Study the Fundamental Nature of Space

Portal origin URL: NASA Selects Proposals to Further Study the Fundamental Nature of SpacePortal origin nid: 450210Published: Tuesday, August 13, 2019 - 15:07Featured (stick to top of list): noPortal text teaser: NASA has selected two proposals for concept studies that could help us better understand the fundamental nature of space and how it changes in response to...

Fluorescent glow may reveal hidden life in the cosmos

Astronomers have uncovered a new way of searching for life in the cosmos. Harsh ultraviolet radiation flares from red suns, once thought to destroy surface life on planets, might help uncover hidden biospheres. Their radiation could trigger a protective glow from life on exoplanets called biofluorescence, according to new Cornell University research.

Fluorescent glow may reveal hidden life in the cosmos

Astronomers have uncovered a new way of searching for life in the cosmos. Harsh ultraviolet radiation flares from red suns, once thought to destroy surface life on planets, might help uncover hidden biospheres. Their radiation could trigger a protective glow from life on exoplanets called biofluorescence, according to new research.