In March, Comet 252P/LINEAR passed exceedingly near the Earth. These images show the closest celestial object Hubble has observed, other than Earth’s moon.
Posts by EarthSky
Summertime star parties! We’ve added many new events to this list of astronomical events throughout the U.S. and Canada. Find one near you, join in and have fun.
For both the Northern and Southern Hemispheres, full moons have names corresponding to calendar months or seasons of the year.
Look for the star Deneb tonight! It’s marks the Tail of Cynus the Swan … and the head of a crosslike pattern known as the Northern Cross.
It’s their active season. Here are 10 things to know about these venomous spiders that like to live where we do.
A new Hubble image captures – in stunning clarity – the Bubble Nebula, a cloud of gas and dust illuminated by the brilliant star within it.
In celebration of Earth Day 2016, we’ve brought together some of our favorite images of Earth by the EarthSky community. Thank you all!
The maximum number of Lyrid meteors may rain down during the predawn hours on April 22, 2016. But the moon will be in the way.
A rainbow isn’t a flat two-dimensional image on the dome of sky. It’s more like a mosaic, composed of many separate bits … in three dimensions.
It’s possible to see the whole circle of a rainbow – but sky conditions have to be just right. Plus you have to be up high!