Arecibo Observatory damaged by broken lashing cable

The new damage to Arecibo, caused by the heavy cable, happened while repairs from 2017's Hurricane Maria were still ongoing.

These dogs are trained to sniff out the coronavirus

Scientists have been working with professional trainers in South Australia, Victoria and New South Wales to train dogs to sniff out Covid-19. Most of the dogs have a 100% success rate.

Mars big as the moon on August 27?

We can't believe it. One of the most popular articles at EarthSky this week is the one asking, will Mars be as big as the moon on August 27? Short answer … no. This hoax has been circulating since 2003.

Does coronavirus linger in the body?

Some viruses can hide out in the body and reemerge at later times. Which viruses do this, and can the new coronavirus do this too?

Successful splashdown for SpaceX Crew Dragon in Gulf of Mexico

The SpaceX Crew Dragon splashdown into the Gulf of Mexico today was the first splashdown in 45 years.

Blast off! Perseverance, newest Mars rover, launched as planned

It was a picture-perfect launch this morning for the Mars 2020 Perseverance rover, with good weather and no major hitches. The rover lifted off on a United Launch Alliance Atlas V rocket from Cape Canaveral Air Force Station in Florida.

Gulf of Mexico dead zone: Summer 2020 forecast

NOAA scientists forecast that this summer’s dead zone would measure roughly 6,700 square miles - bigger than the long-term average recorded since 1985, but lower than 2017’s record-high extent.

Human-linked Earth vibrations dropped 50% during Covid-19 lockdown

Between March and May 2020, many people across Earth went into lockdown. During those months, seismographs recorded a drop in human-linked vibrations in the solid Earth, by an average of 50%.

James Webb Space Telescope to launch October 31, 2021

NASA is delaying the launch of the James Webb Space Telescope for another 7 months, from March 2021 to October 31, 2021, due to, among other factors, work stoppages during the coronavirus pandemic.

Dark Sky Sanctuary established in New England

Katahdin Woods and Waters National Monument in Maine was certified as a Dark Sky Sanctuary on May 8, 2020.