Polaris, the North Star, has spots on its surface

Here’s a false color image from CHARA Array of Polaris – the North Star – from…

Our 1st and last visit to Neptune

Voyager 2 acquired this image fewer than 5 days before its closest approach to Neptune on…

Mars mission to send Blue and Gold satellites to Red Planet

An artist’s concept shows Blue and Gold, the twin satellites launching as soon as October 2024…

Moon and Saturn close together this week. See the images!

On August 20, 2024, for all of us around the globe, the moon was up by…

Dinosaur-killing asteroid came from beyond Jupiter

View larger. | Artist’s concept of the massive asteroid impact that wiped out the dinosaurs some…

Oceans of water on Mars deep underground?

Mars in late 2023, via the Mars Express spacecraft/ ESA. New analysis of data from NASA’s…

LIVE on Monday: Super Blue Moon

The Super Blue Moon is coming! Join the EarthSky team LIVE beginning at 12:15 p.m. (17:15…

A solitary star speeding across the Milky Way

Artist’s concept showing a hypothetical white dwarf, left, that might have exploded as a supernova, expelling…

Does a supermoon have a super effect on us?

View at EarthSky Community Photos. | Jean-Baptiste Feldmann in Gleizé, France, captured this image on August…

Asaph Hall finds Mars moon Phobos 147 years ago

Asaph Hall discovered Phobos on August 17, 1877. This image of the large crater Stickney on…