Why fireflies light up

A firefly’s familiar glow is caused by a chemical reaction. Explanation here, plus many wonderful firefly photos. Source: https://earthsky.org/earth/bugs-firefly-light…

Mysterious Explosion and Fire Damage Iranian Nuclear Enrichment Facility

A fire ripped through a building at Iran’s main nuclear-fuel production site early Thursday, causing extensive damage to what appeared to be a factory where the country has boasted of producing a new generation of centrifuges. The United States has repeatedly warned that such machinery could speed Tehran’s path to building nuclear weapons. schwit1 shares a report: The Atomic Energy Agency…

Starbucks Worker Insisting Customers Wear Masks Rewarded With $70K On GoFundMe

“Masks are stupid and so are the people wearing them,” posted one San Diego woman on Facebook (who is also an anti-vaxxer). “She has also shared previous posts expressing her refusal to wear masks, and her belief that those who wear them are ‘not thinking clearly,'” reports the Washington Post. Here’s what happened next… Amber Lynn Gilles walked into a Starbucks…

What’s the youngest moon you can see?

It’s rare to catch a moon within 24 hours of new. This month’s new moon comes on June 21 at 06:41 UTC. At sunset on June 21, some in the Americas or on Pacific islands might catch an exceedingly fragile young moon – fresh from an eclipse – low in the west after sunset. Source: https://earthsky.org/astronomy-essentials/young-moon-visibility…

How to spot ISS in your sky

Learn to watch ISS moving silently and steadily across your night sky, and think of the 2 astronauts currently making their way there. Source: https://earthsky.org/human-world/how-to-spot-the-international-space-station…

Have you seen Venus and Mercury? Photos here

Venus and Mercury – the 2 worlds orbiting closer to our sun than Earth – have been closest this week for all of 2020. Photos from the EarthSky community here. Source: https://earthsky.org/todays-image/photos-mercury-venus-conjunction-may-2020…

Mercury and Venus pair up May 21 and 22

Depending on where you live worldwide, the planets Mercury and Venus will pair up most closely for the year on May 21 or 22, 2020. Source: https://earthsky.org/tonight/mercury-venus-pair-up-at-dusk-may-21-and-22…

What are zoonotic diseases and what can we do about them?

Infectious diseases that leap from animals to humans are called zoonotic diseases. Covid-19 is an example of a zoonotic disease caused by a coronavirus. Source: https://earthsky.org/human-world/what-are-zoonotic-diseases-coronavirus-covid19…

Young moon and Venus: Favorite photos

The moon is sweeping past Venus on these late April 2020 evenings. The EarthSky Community is catching them, and sharing their photos. Thanks to all who submitted. Source: https://earthsky.org/todays-image/apr-2020-young-moon-and-venus-favorite-photos…