266,129 subscribers and counting ...
Check out this sweeping vista on the planet Mars, taken by the Curiosity rover from a mountainside ridge. It provides a look back at key sites visited by the rover since its 2012 landing.
It was a Blue Moon, a supermoon and a moon in total eclipse. EarthSky community members around the world came through as always with awesome photos.
Today is the 60th anniversary of the United States’ 1st step into space with its Explorer 1 satellite. The launch helped fuel the space race and led to the discovery of the Van Allen radiation belts.
Videos and links related to potential health effects to astronauts from space radiation, plus solutions and countermeasures.
Astronomers have created the first-ever detailed image of the surface of a giant star, about 530 light-years away and 350 times larger than our sun.
“Winds must blow away a large fraction of the matter a black hole could eat,” researchers said.
Jupiter’s moon Europa is an ocean world beneath an icy crust, and scientists want to land a spacecraft there. But a new study indicates a surface less dense than freshly fallen snow.
Watch on January 29, as two astronauts aboard the International Space Station (ISS) perform the year’s 2nd spacewalk. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at about 12:10 UTC (7:10 a.m. EST).
Two rocks that crashed to Earth from space in 1998 are the 1st meteorites found to contain both liquid water and a mix of complex organic compounds such as hydrocarbons and amino acids.
The lunar eclipse January 31 offers scientists a chance to see what happens when the surface of the moon cools quickly.
Moon and Uranus February 19 and 20
Return of the young moon, and Venus