How are zoo animals handling the coronavirus shutdown?

How captive animals are coping with the sudden emptiness of the world's zoos and aquariums.

View Comet SWAN online

We suspect most of you have not seen this comet, which is rising only shortly before the sun now. Let the Virtual Telescope's Gianluca Masi show it to you online this week.

Markarian’s Chain of galaxies

Markarian's Chain forms part of the Virgo galaxy cluster. When viewed from Earth, the galaxies lie along a smoothly curved line. Armenian astronomer Benjamin Markarian discovered these galaxies' common motion in the early 1960s. American astronomer Fred Espenak captured this image.

Young moon, Venus, Mercury on May 23, 24 and 25

On the evenings of May 23, 24 and 25, 2020, watch the great drama in your western twilight sky, as the young moon meets Mercury and Venus.

Is Mars still volcanically active? New study says maybe

Scientists studying the ancient Martian Tissint meteorite say they've found new evidence that Mars was volcanically active a few hundred million years ago ... and may still be today.

Study finds microplastics in Florida birds of prey for 1st time

A new study has confirmed the presence of microplastics in birds of prey, including hawks, ospreys and owls. The accumulation of microplastics in birds’ digestive systems could lead to poisoning, starvation and death.

Have you seen Venus and Mercury? Photos here

Wow! Thanks, everybody, for the wonderful Venus and Mercury photos! These 2 worlds have been nearest each other this week for all of 2020. A selection of photos from our community here, and many more at EarthSky Community Photos.

One of Jupiter’s Trojan asteroids has a comet-like tail

Trojan asteroids orbit 60 degrees ahead of and behind Jupiter, in its wide orbit at 5 times Earth's distance from the sun. Now the 1st Trojan asteroid has been found with a comet-like tail.

Wolf spiders may turn to cannibalism in a warming Arctic

Arctic wolf spiders’ tastes in prey might be changing. The changes could initiate a new cascade of food web interactions that could potentially alleviate some impacts of global warming.

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.