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.
Saturn’s rings: Up close and personal
These incredible new views from the Cassini spacecraft show Saturn's rings in unprecedented detail.
February 2, 2017
History of global temperature 1880-2016
Take 14 seconds to watch the change in Earth's surface temperature from 1880 through 2016.
February 2, 2017
Moon points to Venus and Mars
The February 2 moon isn't as close to the planets as it was on February 1. But you can still use the moon to identify the planets because its lighted face points to them.
February 2, 2017
Seen the moon, Mars, Venus yet?
Tonight – February 1, 2017 - the moon and the planets Mars and Venus line up in front of the constellation Pisces the Fishes.
February 1, 2017
Don’t miss the moon, Venus, Mars triangle
As soon as darkness falls on January 31, 2017, see a beautiful triangle - the moon, Venus and Mars - gracing the evening sky. Look west!
January 31, 2017
Astronomy statement on US travel ban
The International Astronomical Union issued a statement on Monday in response to the U.S. executive order limiting travel from 7 countries. Read it here.
January 30, 2017
Moon, Venus, First Point of Aries
It's where the sun resides on the March equinox, used to define the sky's prime meridian. Tonight's moon and planets can help you visualize this point on our sky's dome.
January 30, 2017
See it! Young moon, Venus, Mars
The moon has returned to the evening sky. This week, it's sweeping past brilliant Venus and fainter Mars. Photos from the EarthSky community, here.
January 30, 2017
Death of Granny, matriarch killer whale
What happens when an endangered whale pod loses its wise old grandma?
January 29, 2017
Moon below Venus on January 29
Beginning on January 29, 2017, watch as the waxing crescent moon sweeps past Venus and then Mars on the sky's dome. You'll find them all in the west at nightfall.
January 29, 2017
