Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Asteroid to buzz by Super Bowl Sunday
How to watch online as asteroid 2002 AJ129 - a relatively massive, fast-moving asteroid - passes at about 10 times the moon's distance on February 4, 2018.
February 3, 2018
Mount Sharp photobombs Mars rover selfie
Mars' Mount Sharp - whose flanks are the focus of the Curiosity rover's studies on Mars - photobombed this January 2018 selfie of the rover.
February 1, 2018
View of Mars rover’s journey so far
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.
February 1, 2018
See it! Super Blue Moon eclipse photos
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.
January 31, 2018
Why space radiation won’t stop human space exploration
Videos and links related to potential health effects to astronauts from space radiation, plus solutions and countermeasures.
January 31, 2018
Close-up on a giant star
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.
January 30, 2018
Research shows black holes push away their dinners
“Winds must blow away a large fraction of the matter a black hole could eat," researchers said.
January 28, 2018
Will future landers on Europa sink?
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.
January 28, 2018
Watch 2nd spacewalk of 2018 live on Monday
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).
January 28, 2018
Ingredients for life in space rocks that fell to Earth
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.
January 26, 2018
