New Hand-Held Prototype is Being Developed for Home-Based Cancer Screening Kit

Scientists from two universities in Ontario, Canada reported progress on their efforts to release the world’s first hand-held home test kit designed to screen for cancer. A home-based screening kit for different kinds of cancers would be game-changing in the quest for more proactive health monitoring. To this end, researchers from McMaster and Brock universities […]

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Photos of 2020’s Leonid meteor shower

EarthSky Community members around the world are sharing their photos of this year’s Leonid meteor shower. Beautiful! Thanks to all who contributed.

The 1st intentional radio message to space was sent via Arecibo

Iconic Arecibo telescope is now slated for decommissioning. But its multi-faceted legacy will live on. In 1974, for example, Arecibo sent earthlings’ first intentional message to the cosmos.

Very hungry and angry, caterpillars head-butt to get what they want

When food is scarce, monarch butterfly caterpillars go from docile to domineering. The results look something like a combination of boxing and ‘bumper’ cars. The less food, the more likely caterpillars were to try to head-butt each other out of the way to get their fill, lunging and knocking aside other caterpillars to ensure their own survival. And, they are most aggressive right before the final stages of their metamorphosis.

Tiny Spacecraft is ‘Solar Sailing’ in Orbit Using Only Sunlight, a Revolution in Space Exploration

An American astronomical society is proving that, like the Vikings of old, exploration of foreign shores—in this case foreign planets—is possible if you but master the use of the humble cloth sail. LightSail 2, designed and crowd-funded by the Planetary Society, is a small spacecraft that has been moving around at high-speeds in Earth’s orbit, […]

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What is the moon’s terminator line?

The moon’s terminator is the dividing line between day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Earth and other worlds in our solar system have terminator lines, too.

SpaceX Launches Historic Flight For NASA, Shuttling Astronauts via First Class to International Space Station

At 7:30 in the evening, a SpaceX Falcon 9 rocket carried four astronauts to the International Space Station (ISS), reopening the pathway to regular crewed missions into space for NASA for the first time in nine years. It took just twelve minutes for the powerful rocket, developed by the commercial space-faring company started by Tesla […]

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Cellular powerplant recycles waste gases

Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of life. At the same time, they might be useful for the future as they can be used to clean waste gases and produce biofuels. Scientists have now made a surprising discovery.

Cellular powerplant recycles waste gases

Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of life. At the same time, they might be useful for the future as they can be used to clean waste gases and produce biofuels. Scientists have now made a surprising discovery.

Cellular powerplant recycles waste gases

Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of life. At the same time, they might be useful for the future as they can be used to clean waste gases and produce biofuels. Scientists have now made a surprising discovery.