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.
Going up and coming down this week
Within hours of each other, one rocket left the Earth on April 28, 2021, and one cargo space ship returned on April 29 - via a planned destruction during re-entry - after having been attached to the International Space Station for a year.
April 30, 2021
First aerial color image of Mars
Color image of the Martian surface, captured by the Ingenuity Mars helicopter.
April 29, 2021
Photos of the supermoon, April 2021
The first of 2 spring supermoons in 2021 took place on April 26 or 27 (depending on your location on Earth). We received many wonderful submissions from you, our readers. Here's a gallery of some favorites. Thanks to all who submitted!
April 27, 2021
Lyrid meteor and Milky Way over Sedona
The expanse of the Milky Way is punctured by a Lyrid meteor in this incredible photograph taken from Sedona, Arizona, by Cecilia Ray.
April 27, 2021
Venus, in evening sky, 6 degrees from sun
Venus and Mercury are back in the evening sky. Have you seen them? Probably not; they're exceedingly close to the sun. But EarthSky Community member Helio Vital did manage to capture a photo of Venus on April 19, 2021. Way to go, Helio!
April 21, 2021
Moon-Mars occultation, from India
Some lucky skywatchers in Southeast Asia saw the moon pass in front of Mars on Saturday, April 17, 2021. Check out these images from EarthSky readers!
April 19, 2021
Sunlight through trees in Singapore
When sunlight filters through trees, you may get a corona effect where the rays from the light sources take on the colors of the rainbow.
April 14, 2021
100 days of sunspots
A blend of a total of 100 images showing every sunspot that appeared on the sun from December 25, 2020, to April 3, 2021.
April 8, 2021
Hummingbird having a spring meal
Hummingbirds can fly up to 20 miles (32 km) in a day and are now traveling north, some all the way from Central America to Canada and even Alaska. This beautiful hummingbird was captured feeding from blossoms in California this week.
April 2, 2021
ISS passing a mineral moon
What's a mineral moon? In this case, it's a photo of our moon with the colors of its surface enhanced to reveal the moon's mineral deposits. As an added bonus, here's a mineral moon with the International Space Station passing by!
April 1, 2021
